SEM-26-003

Partie 01Part 01 The story, told simply

In Blainville, in the Laurentians north of Montreal, there is a large swamp called Grande Tourbière (Great Peat Bog). A bog is a spongy wetland where dead vegetation accumulates without completely rotting. These environments filter water, store carbon and shelter species that are found nowhere else.

Next door is a company called Stablex. Its job: to receive dangerous industrial waste – sludge filled with heavy metals, for example – to mix it with cement to “freeze” it, then to bury it in large airtight pits called cells. Its first five cells reach saturation. He needs a sixth.

The land coveted for this cell no. 6 belonged to the Ville de Blainville (City of Blainville), which refused to cede it. In March 2025, the Quebec government resolved the problem in an expeditious manner: it passed a special law, Loi 93 (Bill 93), passed overnight under a gag order (an emergency procedure that cuts short the debate). This law expropriates the City, pays it $17 million, transfers the land to Stablex — and in the process forecloses most recourses before the courts. The City and the Metropolitan Community of Montreal tried to challenge it: they lost in the Superior Court on April 2, 2025, then in the Court of Appeal on April 16, 2025.

The machines have arrived. The trees have fallen. It was at this moment that William Guindon, a citizen of Blainville then aged 14 at the start of his efforts (now 15 years old), opened an unprecedented legal front: rather than attacking Quebec or Stablex – two avenues blocked by the Loi 93 – he questioned the direct responsibility of Ottawa.

The strength of the case lies in this demonstration: it does not criticize the federal government for having poorly exercised its discretionary power, but for never having exercised it. No known federal inspections, no permits issued or refused under the Fisheries Act or the Species at Risk Act, no reasoned decisions.

By mobilizing the international mechanism of chapter 24 of the ACEUM (SEM process) from May 1, 2026, then by filing on July 16, 2026 a consolidated communication of exceptional density - 15-page brief, 102-page analytical annex and 222 evidentiary documents -, he has built a file that stands the test of international filtering.

On August 17, 2026, the Commission de coopération environnementale (Commission for Environmental Cooperation) made a historic determination: the communication met all of the admissibility criteria of the North American treaty. The Government of Canada is legally required to respond by October 16, 2026.

Partie 02Part 02 Who's who

Partie 03Part 03 The place: three superimposed layers

3.1 — The Grande Tourbière de Blainville

A wetland complex which, according to provincial inspection reports on file, includes “a marsh, a swamp, shallow water and a peat bog”. There we find plants indicative of wetlands — pitcher plant (a carnivorous plant), cotton grass — growing on permanent sphagnum mats. The Bureau d'audiences publiques sur l'environnement (BAPE), in its report No. 371, highlighted the “exceptional ecological value” of the sector and advised the government against authorizing the project.

A geological detail that matters enormously. The area is underlain by thick deposits of clay from the Champlain Sea — a sea that covered the St. Lawrence Valley about 10,000 years ago. These clays, 15 meters thick on the surface and up to 50 meters deep, are subject to “deep ravinement”: the water creates tree-shaped networks. In practical terms, this means that any sediment or contaminant that reaches the ground is transported quickly and far to waterways. It is not a ground that holds back; it is a ground that leads.

3.2 — Cell No. 6

The land in question is lot 6 695 053 of the Quebec land register. According to media coverage and BAPE (Québec Bureau of Public Environmental Hearings), it includes approximately 9 hectares of wetlands and 58 hectares of woodlands. According to the proponent's impact study, the 52-hectare study area contains 29.2 hectares of wetlands (56% of the surface area), including a 19.1-hectare tree swamp. The planned backfilling would cover 278,000 m², or 27.8 hectares. (These different figures relate to different perimeters — see Part 9.)

The agreement in principle signed on March 11, 2020 between the City and the developer provides for 24 hours a day, 7 days a week operation. The new site would allow Stablex to operate for around forty more years, until around 2065.

3.3 — What was there before: Camp Bouchard

This is perhaps the most surprising element of the file. From 1942 to 1980, this same land was home to Camp Bouchard, a munitions production plant and explosives depot operated by the Canadian Department of National Defense. In other words: the soil was first contaminated by the federal government itself.

The site still appears on the Federal Contaminated Sites Inventory (number 06875001), maintained by the Treasury Board Secretariat. According to the data cited in the complaint:

• Identified contaminants: metals, metalloids and organometallics in groundwater and soil
• File status: “Active” — it is not closed
• Management strategy: “Additional assessment” — work is not completed
• Expenditures in 2025-2026: $0 on evaluation, $0 on restoration, $0 on monitoring
• Area restored in 2025-2026: 0 hectare
• Historical total expenditures: approximately $147,000 for a 4-hectare military site operated for 38 years

Stablex itself publicly attributes part of the metals detected to this previous military use. The author draws two formidable questions from this: (1) did the Ministry of Defense decontaminate before ceding the land? A freedom of information request reportedly found no documentation of decontamination work. (2) If the metals found in the stream come in part from the former federal military site, why has Ottawa never investigated?

Partie 04Part 04 The mechanism, from A to Z

4.1 — Where does this tool come from

In 1994, when signing NAFTA, the three countries feared that one state would be tempted to attract factories by turning a blind eye to pollution. They therefore created, in parallel, an environmental agreement equipped with a citizen valve. When NAFTA was replaced by ACEUM on July 1, 2020, this valve was retained and written directly into the trade treaty, in articles 24.27 and 24.28.

Curiosity of vocabulary: the official French text of ACEUM speaks of “observations on questions of application”. The Commission continues to use the word “communications”. Both mean exactly the same thing: a citizen complaint. The acronym SEM comes from the English Submissions on Enforcement Matters.

4.2 — First question: what is an “environmental law”?

All the legal sorting of the decision follows from this definition. Here is the official text, in article 24.1 of ACEUM:

“environmental law means a law or regulation of a Party, or one of its provisions […] the primary object of which is the protection of the environment, or the prevention of a danger to health or human life, by, as the case may be: a) the prevention, reduction or control of the discharge […] of pollutants or contaminants; (b) the control of dangerous or toxic chemicals, substances, materials or waste […]; (c) the protection or conservation of wild flora and fauna, including endangered species, their habitat and specially protected natural areas […]” “law or regulation means […] for Canada, an Act of the Parliament of Canada or a regulation made under an Act of the Parliament of Canada which may be enforced by action of the central government. »

4.3 — The five formal criteria (article 24.27(2))

First filter. The complaint must satisfy all five — not three out of five, not “overall.” Official text on the left, translation on the right, verdict in this case.

4.4 — The four criteria of opportunity (article 24.27(3))

Second filter: does the complaint merit disturbing a government?

An important counterbalance, that said: the Secretariat also recalls that these criteria “must not constitute an insurmountable procedural obstacle” and must be interpreted in the broad sense. He cites three precedents in this sense (Loggerhead Turtle 2021, Fairview Terminal 2021, Gulf of California Porpoise 2021). The door is narrow, but we must not barricade it.

4.5 — Deadlines, calculated to the nearest day

The Secretariat explains in a footnote how it counts: in calendar days; the day of departure is not counted, the day of arrival is; if the deadline falls on a Saturday, Sunday or public holiday, it slides to the next working day; a document received on a non-working day is deemed received on the following working day.

4.6 — The complete journey, step by step

To compile the factual record, the Secretariat may draw on any public information, contributions from interested persons, opinions of independent experts and the work of the Joint Public Advisory Committee. This is where the file could become a real field investigation.

4.7 — The nature of the SEM mechanism: the power of the international investigation

The CCE Secretariat is not a court of first instance, but a higher international institution of transparency and control of law enforcement. The major strength of the SEM process lies in its unique capacity to establish an incontestable public documentary truth, instructed by independent experts, forcing the State to answer for its actions before its trinational partners of the ACEUM and international public opinion.

Partie 05Part 05 The complaint, allegation by allegation

The revised communication is 15 pages long, accompanied by an analytical annex of 102 pages and more than 200 documents. It was signed in Blainville on July 16, 2026 and ends with this sentence: “Progress is not measured by the number of profits we generate, but by the number of contaminants we refuse to leave to our children. »

5.5 — Cross-cutting arguments

Articulation with commercial (art. 24.4) and constitutional (art. 35) law. The communication highlights the overall context of the matter: on the one hand, the competitive distortion created by the massive importation of American waste without rigorous application of federal standards; on the other hand, the location of the site on the traditional unceded territory of the Kanien'kehá:ka Nation and the principles of the two-row Wampum. If the Secretariat has limited the formal scope of the investigation to only federal “environmental laws” in the strict sense of Article 24.1 (thus excluding the aspects relating to Chapter 31 on commerce or general constitutional law), this contextual insight remains in the public register to document the extent of the issues raised.

The Loi 93 as a lock. This is the most political argument. When a provincial government uses its parliament to neutralize local counter-powers and close legal recourse, the author maintains, the application of federal laws becomes “the one and only bulwark”. Ottawa's inaction would then create “a total legal vacuum”. It relies on precedents from CCE (British Columbia Mines, SEM-98-004; British Columbia Salmon Farms, SEM-12-001) where the existence of provincial authorizations was not considered sufficient to exempt the federal government from acting.

The “discretion/absence of decision” distinction. This is the finest reasoning in the file. Article 24.4(2) of ACEUM explicitly recognizes that a country retains the right to exercise discretion in matters of investigation and allocation of resources; acting reasonably in exercising this discretion is not a violation. The author concedes this from the outset - then turns the argument around: we can only speak of a discretionary choice if a power has first been exercised. Here, there would be no inspection, no refusal, no reasoned decision. So not misused discretion, but a pure and simple absence of exercise. And he adds: Canada's response will decide itself — documented inspections would enlighten the Secretariat, while its silence would reinforce the thesis of sustained inaction.

The argument a fortiori on the precedents of the CCE. In the historic case SEM-97-005, Canada was the subject of a factual case for failure to apply the Fisheries Act (discharge of acids into the St. Lawrence). Environment Canada then formally documented its refusal to intervene. William Guindon pertinently demonstrates that the situation in Blainville reveals an even more obvious deficiency: here, the federal apparatus has not even rendered a reasoned decision or recorded a formal evaluation, characterizing a total and persistent omission to apply the law.

5.6 — The personal injury invoked

Three components: environmental (destruction of wetlands which constitute its immediate environment); health (exposure to contaminants in surface water and sediments near one's place of residence); intergenerational (the perpetual burial of dangerous materials that he and future generations will inherit). The summary table in the complaint places it 3.5 km from the site.

5.7 — What he asks, concretely

He is not asking for condemnation. It asks the Secretariat to declare the complaint admissible, to request a detailed response from Canada for each of the four laws, to verify the existence of permits, and to assess whether there is a need to compile a factual file. It specifically requests clarification on: the compatibility of the deforestation schedule with the biology of cold-blooded species; measures taken after fish mortality; the exercise of the powers of sections 37 and 38 of the Fisheries Act. And he expressly specifies that he is not asking the Secretariat to rule on the civil, criminal or administrative liability of Stablex or Quebec.

5.8 — Exemplary ethical rigor

In section 15 of his communication, William Guindon demonstrates remarkable intellectual probity. It precisely details the contribution of the experts and specialists consulted — professor-researcher in environmental hydrology, biodiversity analyst, citizen representatives and representatives of the Kanien'kehá:ka Nation — while assuming sole and full responsibility for its analyzes and legal conclusions. This scrupulous transparency reinforces the credibility and independence of its civic approach.

5.9 — Field elements documented in the file

a) Provincial inspection report No. 402462402 (April 2025)

• 10 m riparian protection zone planned: marking completely absent on the ground at the time of the observation.
• Traffic of heavy machinery: observed approximately 5 m from the unnamed watercourse, in contravention of the prescribed setback strips.
• Management of common reed (Phragmites australis): unmarked colonized sectors and uncleaned machinery leaving the contaminated area, risking accelerating biological invasion.
• Five distinct breaches of the decree identified: provincial intervention closed on the recommendation of a simple notice of non-compliance, on the administrative grounds of the “short length of bank affected” and the nature of an “already disturbed site”.

b) Chronology of incidents recorded in the file

c) The hydrogeology of the receiving environment (joint study Chair of Urban Hydrogeology of UQAM – COBAMIL)

• Permeability: “Very high permeability of sediments in the recharge zone”.
• Hydrogeological connectivity: “Very good water table-lake response” concerning Lake Fauvel.
• Terminal vulnerability: Point Zéro Lake constitutes a “terminal system without outlet”, classified “particularly vulnerable” to contaminant inputs.
• Toxicity modeling: The modeling submitted in the file indicates that a discharge of 2.0 mg/L of cadmium would produce a concentration 180 times higher than the chronic aquatic toxicity criterion in the stream.

d) The discharge pipe

A physical pipe located behind the industrial facility would discharge unmonitored effluent into the road ditch connected to Lockheed Creek and then to Lake Fauvel. The complaint contends that it would not be incorporated into the department's official sampling protocol.

e) Self-monitoring — the alleged conflict of interest

The complaint develops a grievance of self-surveillance: the private Stablex laboratory is accredited by the Quebec ministry; sampling at observation wells is carried out jointly due to lack of independent ministerial equipment; and an alleged practice of prior pumping of wells would dilute the samples, leading to divergent Ministry/Stablex results for the same well. The author refers to section 272 of CEPA prohibiting false declarations.

f) The municipal component

• Municipal council meetings of July 7 and 14, 2026: The hypothesis of anoxia, first presented as a “scientific certainty” in the municipal press release of April 15, 2026, was reclassified as a simple “hypothesis” during the debates; the City admitted that it had no own analysis results.
• Request for access to information of June 30, 2026: The municipal legal department responded that there was “no document corresponding to what you are looking for” concerning federal reports or independent expertise.
• Public health measures: Refusal to issue a preventive alert or install no-swimming advisories for the summer of 2026 at Lacs Fauvel.
• Allocation of the expropriation fund: Citizen proposal — declined — to allocate the interest from the expropriation fund of $17 million (frozen) to the financing of independent citizen and university environmental monitoring, with the City prioritizing the use of its reserves for the appeal against the Loi 93.

g) The Blainville–Stablex agreement of March 11, 2020

The bilateral contractual agreement of March 11, 2020 provided for the allocation of the “Residual Part” (lot 2,272,801) for the purposes of environmental compensatory measures. The complaint maintains that the existence of these bilateral contractual commitments has limited the access of third parties and citizens to local suspensive administrative or civil remedies.

5.10 — The legal bases invoked in the annex

In addition to the strict legislative texts, the 102-page analytical annex mobilizes several pillars of jurisprudence and general principles of Canadian law:

• R. v. Sault Ste. Marie, [1978] 2 R.C.S. 1299: Principle judgment establishing strict liability in environmental regulatory matters (the absence of guilty intent does not exempt from due diligence).
• R. v. Cadillac Fairview Corp. , 2013 ONCJ 94: Confirms that the prohibition in article 32 of LEP fully applies to unintentional harm resulting from industrial or commercial activities.
• Reference re Impact Assessment Act, 2023 SCC 23: Scope of residual federal constitutional jurisdiction over the protection of fisheries, birds and species at risk.
• Imperial affair: Principle according to which the historical polluter remains responsible for its contaminants even after the transfer of land (invoked in the file for the liabilities of Camp Bouchard).
• Sections 97 to 101 of SARA: Penal provisions providing for fines of up to $1,000,000 and imprisonment of up to 5 years for serious offenses.
• Article 6 of SARA & Precautionary Principle: The fundamental purpose of the law requires preventing the extinction of wild species without waiting for absolute scientific certainty to be established.

Partie 06Part 06 The decision of August 17, 2026, dissected

6.1 — The Secretariat’s action framework

The Secretariat of the CCE first clarified the statutory powers conferred on it by the international treaty, guaranteeing the neutrality and rigor of its instruction:

• Its role is to identify the provisions constituting environmental laws and to evaluate the eligibility criteria provided for in chapter 24 of the ACEUM.
• “It is not the responsibility of the Secretariat to confirm, refute, or offer an interpretation other than that presented by the Author. »
• It does not render a declaratory judgment on the action of a Party at this preliminary stage, its mandate being to instruct the opening of a factual investigation file.
• He recalls that the SEM process is intended to document the effective application of environmental laws and to shed light on the facts, to enlighten the Trinational Council and the public.
• It examined all the information and substantial additions provided by the revised version of July 16, 2026.

6.2 — The environmental provisions adopted

This is the most technical part of the decision: the Secretariat has validated a set of major provisions which constitute the heart of Canadian environmental law.

6.3 — Criterion (2)(c): The probative force of the documentary corpus

To assess the sufficiency of the supporting information (criterion 24.27(2)(c)), the Secretariat examined the critical mass of the more than 200 documents submitted by William Guindon. Faced with the exceptional scale of the file for a citizen initiative, the Secretariat methodically structured the documents into ten evidentiary categories, concentrating its examination on the nerve center of the file: fish, migratory birds, threatened species and preservation of habitats.

The Secretariat underlined the probative value of the scientific and field elements included in the file:

• The Englobe impact study (November 2020), based on inventories documenting in particular the Eastern Whip-poor-will and around ten status bird species.
• Englobe's October 2023 characterization — of which the Secretariat factually notes that no specific wildlife inventory was conducted there, corroborating concerns raised by the complainant about seasonal assessment deficiencies.
• The environmental analysis report of MELCCFP (2025), listing 132 species and major favorable habitats.
• The MELCCFP (2024) request for commitments, which explicitly refers to ECCC's federal tools and responsibilities.
• The WaterShed Monitoring scientific report, with its measurements compared to quality criteria for cadmium, lead, arsenic, cobalt, copper and zinc, identifying a station of particular concern and documenting leaching phenomena during rainy weather.
• Photographic surveys of turbidity and fish mortality near the banks.
• Press revelations (notably Le Devoir, March 19, 2025) indicating that Fisheries and Oceans Canada had requested the submission of a request to examine the impacts on fish habitat.

The decisive legal reasoning: William Guindon based his appeal on the total absence of an identifiable federal decision, inspection or authorization, attested by his requests for access to information. The Secretariat has fully validated this logic: in the absence of documentation emanating from Ottawa, the scientific and provincial elements gathered by the complainant constitute serious and admissible evidence justifying requiring an official response from Canada.

6.4 — Criterion (2)(e): the five approaches

Irrefutable proof of due diligence: The Secretariat emphasizes that the June 16, 2026 mailing copying the ECCC Enforcement Branch and the DFO regional office, combined with the formal notifications of June 3, 10 and 19, demonstrates beyond any doubt that the federal authorities responsible for enforcing the Fisheries Act, SARA, MCO and CEPA were duly informed in writing and had the necessary time to act.

6.5 — Criterion (3)(c): remedies

The Secretariat first recalls its generous case law: this criterion is interpreted “in the broad sense”; it can be satisfied by relying on a complaint filed by someone else; it is evaluated according to the standard of reasonableness; he recognizes that it is sometimes impossible to act against a multitude of offenders, that litigation is not always the right strategy, and that “certain economic and social factors may hinder private recourse.”

The obstacles invoked by the author: he is a minor and therefore cannot take legal action independently — “an absolute legal barrier”; his legal guardians are not required to compromise the family patrimony to deputize for the State; he has no resources of his own to pay lawyers, experts and costs facing “a developer supported by two multinationals”; and above all, he does not challenge a decision but “precisely the apparent absence of a decision”, which makes an appeal for judicial review “difficult to circumscribe”.

But the element which carries the decision is elsewhere: despite all this, the author still acted. On June 29, 2026, he filed an environmental petition with the Office of the Auditor General of Canada — a mechanism that, unlike an access to information request, “creates a direct line of communication between the public and ministers” and requires them to respond. The title of the petition explicitly targeted the “application of environmental laws to the Stablex site in Blainville: Act respecting fisheries, aquatic habitats, migratory birds and species likely to be concerned”. The Secretariat concludes that, in circumstances making traditional legal recourse difficult, this approach constitutes “an adequate means” of satisfying the criterion.

6.6 — The device

Partie 07Part 07 Key benchmarks and legal scope of the procedure

Partie 08Part 08 The rest

Dates to watch out for

Partie 09Part 09 Methodological benchmarks and reading of technical data

9.1 — Cartographic precision: four distinct reference perimeters

Public documents relating to the Stablex project mention four different areas which do not contradict each other, but each correspond to a specific scope of analysis:

• 9 ha of wetlands and 58 ha of woodlands: areas attached to the lot expropriated by the Loi 93, cited by the BAPE and the media.
• 29.2 ha of wetlands (56% of a 52 ha study area): biophysical perimeter assessed in the Englobe impact study.
• 27.8 ha (278,000 m²): direct footprint of the planned backfill for cell no. 6.
• 13 ha: wetland clearing area covered in sectoral authorizations.

9.2 — Hydrochemical complementarity: surface water (320×) and sediments (31.8× to 57.6×)

The evidentiary corpus documents two series of cadmium measurements which clarify each other hydrologically:

• Citizen sampling on December 2, 2023 (surface water) revealed an acute peak of 0.016 mg/L, or 320 times the criterion for protecting aquatic life.
• The WaterShed Monitoring accredited scientific campaign (October-November 2025) (ICP-MS analyses) measured an exceedance of 4.7 times the threshold in the water column, and a concentration reaching 31.8 to 57.6 times the rare endpoint (CER) in sediment.

As the communication demonstrates, these two matrices reflect two complementary dynamics: the concentration in surface water varies rapidly depending on episodes of rain and runoff, while sediments act as a geochemical memory accumulating heavy metals over time.

9.3 — Waste of American origin: three economic and physical indicators

The proportions associated with American inputs in the file refer to three distinct units of measurement:

• Nearly 50% of revenues: share of turnover mentioned by the company's management in 2025.
• Nearly 30% of buried volumes: historical proportion documented during the BAPE work.
• 17% of imported volumes (2024): annual data cited in media coverage.

9.4 — Citation benchmarks in the official determination (62/DET)

For researchers and jurists wishing to cite directly the official PDF of the decision of August 17, 2026 (reference A24.27(2)(3)/SEM/26-003/62/DET), three particularities of the numbering of the original document should be noted:

• The discussion of private remedies (section 24.27(3)(c)) appears under the section heading "24.27(3)(b)", although the cited text and conclusion in paragraph 79 specifically refer to paragraph (3)(c).
• Consideration of prior written communication to authorities (article 24.27(2)(e)) is dealt with in paragraphs 71 to 73.
• In the final operative part (paragraph 80), a typographical bullet jump goes from (iii) to (v): to cite the formal validation of sections 34.4, 35, 36(3), 36(4), 37 and 38 of the Fisheries Act, it is appropriate to refer directly to paragraphs 29 to 33 of the determination.

9.5 — Filing and registration dates

The initial communication bears the date of signature and electronic filing of May 1, 2026 (retained in the press releases) and the date of administrative registration in the Secretariat register of May 4, 2026 (working day serving as the starting point for calculating procedural deadlines).

Partie 10Part 10 The Questions Everyone Asks

Partie 11Part 11 Complete Glossary

ACEUM

Canada–United States–Mexico Agreement, in force since July 1, 2020. Replaces NAFTA. Its chapter 24 focuses on the environment. Called USMCA in English, T-MEC in Spanish.

ACE

Environmental cooperation agreement, signed in parallel with the ACEUM. It is he who organizes the CCE itself.

Anoxia

Absence of oxygen in the water. Common cause of fish mortality — but, as the case points out, it is the mechanism of death, not its origin.

BAPE

Bureau d'audiences publiques sur l'environnement (Québec Bureau of Public Environmental Hearings), Quebec organization which holds hearings and provides opinions to the government. Its report No. 371 focused on this project and recommended against authorization.

Gag

Exceptional parliamentary procedure which limits the time of debate to force the rapid adoption of a bill. Used for Loi 93 March 27-28, 2025.

CCE

Commission de coopération environnementale. Trinational organization created in 1994, based in Montreal. Three bodies: Council, Secretariat, Joint Public Advisory Committee.

Cell (burial)

Waterproof compartment dug into the ground, isolated by a membrane, where waste is placed. Stablex operates five; the sixth is the subject of the dispute.

CER (rare endpoint)

Reference threshold for sediments: level below which virtually no toxic effects on bottom-dwelling organisms are expected.

CVAC (chronic aquatic life criterion)

Reference threshold for water: concentration beyond which prolonged exposure harms aquatic organisms.

Hexavalent chromium

Particularly toxic form of chromium, recognized carcinogen by inhalation. Not to be confused with trivalent chromium, which is much less dangerous.

Communication / Observation

The two names for the same thing: the citizen complaint. The treaty says “observations”, the Commission says “communications”.

Advice (from CCE)

The environment ministers of the three countries, or their representatives. This is the body that votes on the creation of a factual file — by 2 votes out of 3.

Decree 515-2025

Quebec decree authorizing the project and setting its conditions. The provincial notices of non-compliance mentioned in the file relate to compliance with these conditions.

Determination

The written and reasoned decision of the Secretariat at each stage of filtering. This is not a judgment.

Factual record

The possible end product of the process: a public investigation report bringing together technical, scientific and legal data, interviews with officials and analyzes from independent experts. He states the facts without concluding, for the public to judge.

ECCC

Environment and Climate Change Canada. Its Enforcement Branch is the agency responsible for enforcing federal environmental laws.

Take legal action

Legal expression meaning “to be able to act before a court”. A minor cannot go to court alone.

Critical habitat

SARA concept: habitat necessary for the survival or recovery of a listed species. Its destruction is prohibited by article 58.

Hibernacle

Underground shelter where reptiles spend the winter. Central argument of the case: the snakes are inaccessible there before May, therefore invisible during deforestation ending on April 15.

ICP-MS

Inductively coupled plasma mass spectrometry: reference laboratory technique for measuring metals at very low concentrations. This is the method used by the WaterShed campaign.

NPRI

National inventory of pollutant releases: federal register where companies are required to declare their releases. An inaccurate statement is subject to prosecution under CEPA.

LCOM / RCOM

Migratory Birds Convention Act, 1994 and Regulations (2022 version). Sometimes abbreviated ROM in the complaint.

CEPA

Canadian Environmental Protection Act (1999), modernized in 2023 to include the right to a healthy environment.

THE P

Endangered Species Act (2002). Its appendix 1 lists protected species, classified from “concerning” to “extinct”.

Loi 93

Quebec law (L.Q. 2025, c. 7), official title: Act concerning in particular the transfer of ownership of an immovable in the Ville de Blainville. Adopted under gag order on March 28, 2025 by 61 votes to

It expropriates the City for $17 million and authorizes “no appeal for judicial review […] except on a question of jurisdiction”.

Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec Ministry of the Environment, the Fight against Climate Change, Wildlife and Parks) from Quebec.

MELCCFP (Québec Ministry of the Environment, the Fight against Climate Change, Wildlife and Parks)

Suspended solids: solid particles floating in water. They make the water cloudy, clog the gills and smother the spawning grounds.

MY

Fisheries and Oceans Canada, responsible for enforcing the Fisheries Act.

DFO

The key formula of the entire chapter 24. It does not aim at the quality of the laws, but at enforcing them in practice: inspect, investigate, authorize, sanction.

“Failing to apply effectively”

Canadian federal mechanism administered by the Office of the Auditor General: anyone residing in Canada can raise environmental concerns with federal ministers, who are required to respond. It is this mechanism which unlocked the criterion of private remedies.

Environmental petition

Latin expression: “at first sight”. Prima facie evidence is sufficient to warrant review, not to establish guilt.

Prima facie

English acronym for Submissions on Enforcement Matters. Refers to the entire citizen complaint process of articles 24.27 and 24.28.

S.E.M.

Moss characteristic of peat bogs, which retains water like a sponge and acidifies the environment. Its mounds provide shelter for the four-toed salamander.

Sphagnum

Humid environment where organic matter accumulates without completely decomposing due to lack of oxygen. Filters water, stores huge amounts of carbon, is home to specialized wildlife. Once destroyed, it cannot be reconstituted on the scale of a human life.

Bog

Measurement of water turbidity. High turbidity after rain, downstream of a construction site, indicates sediment leaching.

Turbidity

Ancestral treaty between the Haudenosaunee nations and Europeans, materialized by a belt of pearls with two parallel rows: two boats navigating on the same river without one directing the other. Invoked in the complaint, but excluded from the legal analysis.

Partie 12Part 12 Procedural rigor and consolidation of the documentary file

For the sake of scientific rigor and legal exemplarity, this section presents the methodical evolution between the procedural acts and the way in which the documents were analyzed and consolidated by the Secretariat.

12.1 — Textual evolution and correspondences between procedural documents

12.2 — Methodical instruction and categorization by the Secretariat

Faced with the exceptional richness of the evidentiary corpus submitted by William Guindon - more than 200 scientific, technical, cartographic and legal documents - the Secretariat of the CCE proceeded to a methodical structuring of the file into ten major categories of evidentiary analysis:

• Impact studies and ecological characterizations: Integration of Englobe reports (2020 and 2023) and Quebec government inventories documenting protected species and their habitats.
• Independent hydrochemical campaigns: Analysis of WaterShed Monitoring data highlighting excesses in heavy metals (notably cadmium, arsenic, lead).
• Ministerial inspections and compliance: Taking into account provincial inspection reports noting encroachment on the riparian strip and vegetation management.
• Failure to issue federal authorizations: Exploitation of requests for access to information demonstrating the inaction of the Canadian federal apparatus.
• Field verifications and visual documentation: Photographic records documenting episodes of aquatic mortality and sediment transfers during rainy weather.

This rigorous educational approach made it possible to validate the admissibility of the communication on all of the fundamental laws, establishing a historical precedent for a citizen initiative led by a 15-year-old author.

Partie 13Part 13 Sources

• Decision of the Secretariat, August 17, 2026 (reference A24.27(2)(3)/SEM/26-003/62/DET) — 26-3-det2_fr.pdf · Policy Commons (Handle 20.500.12592/5vrf8jc) ↗ · Canada Commons ↗ ↗ ↗ ↗
• Revised communication, July 16, 2026 — 26-3-rsub_fr_redacted.pdf ↗
• First decision, June 3, 2026 — 26-3-det_fr.pdf ↗
• Initial communication, May 1, 2026 — 26-3-sub-redacted_fr.pdf ↗
• Official register of the file (chronology and all documents) — cec.org — SEM-26-003 ↗
• Official text of ACEUM, chapter 24 (articles 24.1, 24.4, 24.27, 24.28) — international.gc.ca ↗
• The SEM process explained by CCE — cec.org/fr/communications ↗
• Documentary file of the author (222 pieces) — williamguindon.me/dossier-journalistes.html ↗