Environmental Regulation Summary

Identifies applicable environmental laws, compliance obligations, and permitting requirements for a defined industry, activity, or project. Produces a structured regulatory matrix, media-specific obligations, and a permitting roadmap. Detailed regulatory matrix and permitting tables live in references/REGULATORY-MATRIX.md; SKILL.md retains the workflow and core orientation.

Related skills

phase-i-esa — for Phase I ESA / AAI compliance under CERCLA.
consent-decree-epa — for federal enforcement settlement drafting.
nov-response — for responding to agency Notices of Violation.
environmental-impact-statement — for NEPA EIS preparation.
eir-summary — for CEQA/NEPA EIR/EIS review.
compliance-summaries — for cross-sector compliance posture summaries.
Permit-specific skills: npdes-permit-application, spcc-plan, swppp, tri-form-r, hazardous-waste-manifest, asbestos-abatement-plan, lead-paint-disclosure.
Real-property cleanup skills: brownfields-agreement, environmental-indemnity, environmental-covenant-and-easement, conservation-easement.

Prerequisites

Gather before starting:

Industry or activity — manufacturing, energy, construction, agriculture, mining, waste management, or other.
Jurisdiction — federal only, specific state(s), local, or multi-jurisdictional.
Environmental media — air emissions, water discharge, hazardous waste, land use, wildlife, or combination.
Project description (if applicable) — type, scale, activities triggering regulatory review.
Regulatory currency — confirm review against references/AUTHORITY-STATUS.md and re-verify any item older than 12 months.

Quick Start

Collect prerequisites above.
Build the regulatory matrix from references/REGULATORY-MATRIX.md (federal statutes + state analogs).
Map compliance obligations by environmental media.
Draft permitting roadmap with timelines.
Run the compliance checklist.
Flag all uncertain citations with [VERIFY]; for civil penalty figures, cite 40 CFR § 19.4 as the authoritative annual table rather than embedding stale dollar amounts.

Output Structure

1. Executive Overview

Top 3–5 most critical applicable regulations.
Imminent compliance deadlines or high-penalty areas.
Recent or pending regulatory changes affecting operations.
Authority date — note the verification date so the reader knows the freshness of the analysis.

2. Regulatory Matrix

See references/REGULATORY-MATRIX.md for the federal-statute matrix with current citations, agency, triggers, key obligations, and pointers to the inflation-adjusted civil penalty table. Add applicable state analog statutes below each federal entry.

3. Compliance Obligations by Media

Air: Emission standards (MACT, NSPS, SIP), permit type (Title V, minor source, synthetic minor), monitoring/recordkeeping/reporting.

Water: NPDES individual vs. general permit; stormwater (SWPPP, CGP, MS4); Section 404/401 certification triggers. Note that Sackett v. EPA, 598 U.S. 651 (2023) narrowed CWA jurisdiction over wetlands; the post-Sackett conforming WOTUS rule (effective Sep 8, 2023) removed the significant-nexus test. Verify whether any wetland feature on the project remains within federal jurisdiction; state and tribal water-quality rules may still apply where federal jurisdiction does not.

Waste: Generator category (LQG/SQG/VSQG) and obligations; manifest and storage limits; universal waste applicability. RCRA financial assurance for TSD facilities at 40 C.F.R. Parts 264/265 Subpart H.

Land/Site: Brownfield and voluntary cleanup programs; SPCC plan triggers; EPCRA Tier I/II reporting thresholds; CERCLA reporting (release of hazardous substance ≥ RQ in 24-hour period). PFOA and PFOS were designated as CERCLA hazardous substances effective July 8, 2024 — verify current 40 CFR § 302.4 list.

4. Permitting Roadmap

See references/REGULATORY-MATRIX.md for permit-by-permit timelines and pre-application steps.

5. Compliance Checklist

- [ ] All applicable permits identified and obtained/applied for
- [ ] Monitoring and recordkeeping systems operational
- [ ] Reporting schedule calendared (annual / semi-annual / quarterly)
- [ ] Emergency response plan current (SPCC, RMP if applicable)
- [ ] Employee training documented
- [ ] Regulatory change tracking process established
- [ ] PFAS exposure evaluation (where industry implicates AFFF, electroplating, textiles, paper, fluoropolymers, etc.)
- [ ] Authority sources re-verified within last 12 months

Recent regulatory developments (2023–2026)

The matrix in references/REGULATORY-MATRIX.md already reflects these; this section gives readers a single-glance summary of what has shifted recently:

Sackett v. EPA (May 25, 2023) — narrowed CWA jurisdiction over wetlands; "significant nexus" test rejected. EPA-Army Corps conforming rule effective Sep 8, 2023.
Fiscal Responsibility Act of 2023 (Pub. L. 118-5, June 3, 2023) — first major NEPA statutory amendments since 1982. Codified page limits and deadlines (42 U.S.C. § 4336a), categorical exclusions (§ 4336c), lead/cooperating agencies (§ 4336a).
PFOA / PFOS CERCLA designation — final rule effective July 8, 2024; codified at 40 CFR § 302.4. Reportable quantity 1 lb / 24 hours.
TSCA PFAS reporting rule — final rule Oct 11, 2023 (40 CFR Part 705) requires manufacturers and importers to report historical PFAS data.
CEQ NEPA implementing regulations rescinded — effective April 11, 2025 (Interim Final Rule Feb 25, 2025; Final Rule Jan 8, 2026). Federal agencies now rely on their own NEPA implementing procedures; 40 CFR Parts 1500–1508 are no longer binding.
CEQA reform (California) — AB 130 + SB 131 signed Jun 30, 2025; statutory exemption for infill housing up to 20 acres; substantial streamlining for housing and infrastructure.

Pitfalls

Jurisdiction layering: State standards frequently exceed federal minimums — always check state analogs.
Strict liability: CERCLA and many state cleanup laws impose liability regardless of fault — flag prominently.
Citizen suits: CAA, CWA, RCRA, and ESA authorize private enforcement — note third-party litigation risk.
Penalty inflation: EPA adjusts civil penalties annually under the Federal Civil Penalties Inflation Adjustment Act. Do not embed dollar amounts in deliverables; cite 40 CFR § 19.4 and confirm the current value at draft time.
Permit overlap: Multiple permits may govern the same activity — check whether integrated permitting is available.
Post-Sackett WOTUS uncertainty: Wetland jurisdictional determinations in flux at agency and circuit-court levels; budget for jurisdictional-determination delays.
CEQ rescission: NEPA process is now agency-specific. Lead-agency NEPA implementing procedures (e.g., USDA at 7 CFR Part 1b; DOE at 10 CFR Part 1021; DOI at 43 CFR Part 46) control where 40 CFR Parts 1500–1508 once did.
Not legal advice: Do not render opinions on ultimate compliance status; recommend environmental counsel for high-risk matters.

Troubleshooting

Matrix has more federal statutes than the project triggers. Tailor the matrix to the project — every entry should be either applicable, conditionally applicable, or explicitly noted as "not triggered, identified for awareness." A bloated matrix loses signal.
State analog unclear (state has multiple agencies, overlapping programs). Identify the lead state agency by program (e.g., CalEPA water boards for CWA analogs; ARB for CAA analogs). When ambiguous, list the candidates and flag for state-counsel input.
Civil penalty figures used for client illustration purposes. Do not embed specific dollar amounts in any deliverable likely to outlive a calendar year. Cite 40 CFR § 19.4 and let the reader pull the current value.
Project pre-dates a major regulatory change. Frame the analysis using the regime in effect at the relevant time (e.g., a release pre-dating CERCLA enactment is a different liability picture than a current release). Cite both the historical and current regime where the matter spans the change.
Multiple federal triggers (NEPA + ESA + Section 404 + 106). Build a separate cross-statute coordination section identifying who is the lead agency, what the joint EIS / consultation strategy is, and what the timing dependencies are.

References

references/REGULATORY-MATRIX.md — federal statute matrix with citations, triggers, obligations, and penalty pointers.
references/AUTHORITY-STATUS.md — date-stamped record of authoritative sources consulted.