Environment

Permanent Regulation R124-24: Proposed Amendments to NAC 349

The Nevada Division of Environmental Protection proposes amendments to Nevada Administrative Code Chapter 349, which governs the Board for Financing Water Projects. The Board administers grants for capital improvements to publicly owned water systems, water conservation improvements, and Technical Support for Water Rights. A public comment hearing is scheduled for these proposed amendments.

Pass Christian East Beach Advisory Lifted

The Mississippi Department of Environmental Quality has lifted the beach water contact advisory for Pass Christian East Beach. Water samples at Station 7 (Espy Ave. to Hayden Ave.) show acceptable bacteria levels. Three beach water contact advisories remain in effect on the Mississippi Gulf Coast. MDEQ will continue issuing beach advisory alerts through Labor Day (September 7, 2026), after which communications will shift to posted beach signage and the Beach Monitoring website.

TVA Coal Combustion Residuals Program Meeting Materials

The EPA released meeting materials regarding the Tennessee Valley Authority's Coal Combustion Residuals (CCR) Program. The 12-page document contains materials from discussions between EPA and TVA concerning coal ash waste management requirements. TVA operates coal-fired power plants subject to federal coal combustion residuals regulations under the Resource Conservation and Recovery Act.

Ogema Wastewater Treatment Facility State Certification

EPA Region 5 has issued state certification for the Ogema Wastewater Treatment Facility under the Clean Water Act Section 401 water quality certification program. The certification document establishes that the facility meets applicable state water quality standards for its wastewater discharge operations.

Ogema Wastewater Facility Section 401 Water Quality Certification

EPA Region 5 has issued a Section 401 Water Quality Certification for the Ogema Wastewater Facility. Section 401 of the Clean Water Act requires certification that any discharge into waters of the United States complies with applicable state water quality standards. The certification confirms the facility's proposed discharge meets federal environmental requirements.

EPA Guidance on CCR Dewatering Structures

EPA issued guidance on CCR (Coal Combustion Residuals) dewatering structures. The 21-page document provides guidance for facilities managing coal combustion residuals from electric utilities. CCR dewatering involves the process of removing water from coal ash to reduce volume and improve handling. The guidance affects coal-fired power plants and facilities subject to CCR regulations.

Coal Combustion Residuals Rule Regulatory Impact Analysis

The EPA published a Regulatory Impact Analysis for the Coal Combustion Residuals (CCR) Rule examining the economic impacts of regulating coal combustion residuals from electric utilities. The analysis evaluates compliance costs, benefits, and regulatory alternatives for managing CCR disposal in surface impoundments and landfills. Affected entities include coal-fired power plants and electric utilities subject to CCR disposal requirements.

Draft NPDES Permit for City of Ogema

EPA Region 5 has issued a draft National Pollutant Discharge Elimination System (NPDES) permit for the City of Ogema. The draft permit would authorize discharges from the municipality's wastewater treatment system under Clean Water Act requirements. Public comments are being accepted through May 18.

Fines Transfer Station $20,208 for Solid Waste Violations in Oxford

MassDEP issued a $20,208 penalty to Oxford Transfer Station, LLC, a subsidiary of Casella Waste Systems, for violations of state solid waste regulations at its facility in Oxford. During a September 2024 inspection, MassDEP observed significant dust emissions from open facility doors and found the company lacked an operational misting system for dust and odor control. The company also failed to provide the required 24-hour written notification to MassDEP regarding an operational disruption. Under a consent order, the company must pay the penalty and implement corrective measures.

EPA Clarifies Fosetyl-Al Restricted-Entry Interval

The EPA has issued a clarification document regarding the Restricted-Entry Interval (REI) for fosetyl-Al, a fungicide used on agricultural crops. The document provides guidance on the applicable REI requirements for handlers and workers applying or working in areas treated with fosetyl-Al. This clarification affects agricultural employers and pesticide applicators who must comply with worker protection standards.

EPA Superfund Document Comments Requested, Due May 16

The EPA has issued a notice for a Superfund document (Docket EPA-R01-SFUND-2025-3126-0012) requesting public comments. The comment period closes on May 16. The specific document content is not available for viewing or download on the regulatory platform.

Proposed CERCLA Settlement, Tucson International Airport Area Superfund Site

EPA Region IX is proposing an administrative settlement under CERCLA with the City of Tucson for the Tucson International Airport Area Superfund Site in Tucson, Arizona. The settlement requires the City to construct a treatment system for PFAS entering the Tucson Area Remediation Plant. In exchange, the settlement provides a covenant not to sue and contribution protection. The public may submit comments through May 18, 2026.

Arizona PM2.5 State Implementation Plan Approval

The EPA is finalizing approval of Arizona's State Implementation Plan (SIP) revisions addressing interstate transport requirements for the 2012 fine particulate matter (PM2.5) National Ambient Air Quality Standards (NAAQS). The EPA found Arizona's SIP contains adequate provisions prohibiting in-state emissions activity from significantly contributing to nonattainment or interfering with maintenance of PM2.5 standards in other states. This final rule is effective May 18, 2026.

Eastern Kern Rule 425.3 - NOx Emissions from Portland Cement Kilns

The EPA approved EKAPCD Rule 425.3 into the California SIP, regulating NOx emissions from Portland cement kilns. The November 13, 2024 version of Rule 425.3 replaces the previously approved version and resolves deficiencies from a 2023 limited disapproval related to exemptions from NOx emission limitations during startup, shutdown, and breakdown conditions. This action permanently terminates all sanctions clocks and FIP clocks triggered by the June 5, 2023 limited disapproval.

EPA Region 9 Air Quality Guidance Documents Compilation

EPA Region 9 posted a compilation of 8 air quality guidance documents on regulations.gov, including the 1980 Emission Reduction Banking Manual, 2001 EIP Document, 2018 OTAQ Guidance, and 2024 MOVES5 Technical Guidance. The posting includes Federal Register references from 1986, 2018, 2022, and 2024. The main document text states no documents are available to view or download, though attachments are listed for download.

Superfund Operable Unit 3 Draft Explanation of Significant Differences Open for Comment

The EPA has opened a 30-day public comment period for the Draft Explanation of Significant Differences (ESD) regarding Operable Unit 3 (OU3) at a Superfund site. The document seeks feedback on proposed modifications to the existing cleanup plan. Interested parties may submit comments through the Regulations.gov docket.

Pennsylvania Air Quality Redesignation, Allegheny County, Final Rule

The EPA is approving the Commonwealth of Pennsylvania's request to redesignate the Allegheny County, Pennsylvania nonattainment area to attainment for the 2012 annual fine particulate matter (PM 2.5) national ambient air quality standards. The redesignation request was submitted by PADEP on behalf of the Allegheny County Health Department. This final rule is effective May 18, 2026.

EPA Privacy Act System of Records Modification, Comment by May 18

The EPA Office of Finance and Administration proposes to modify a Privacy Act system of records that tracks accounts receivable, accounts payable, budget execution, and related reporting. The modification adds a new routine use required by Executive Order 14249 and OMB Memorandum M-25-32, and updates Agency Privacy Officer contact information. The action becomes effective April 16, 2026, with a public comment period closing May 18, 2026.

Mountain View Service Station LLC; Bath County, VA Water Violations

VA DEQ has proposed a Consent Order for Mountain View Service Station LLC for violations of State Water Control Law and applicable permit at the Oak Ridge Station in Millboro, Virginia. The proposed enforcement action is open for public comment through May 16, 2026.

401 Water Quality Certification for KDOT Baldwin Creek Reconstruction Project

KDHE posted a Section 401 Water Quality Certification for KDOT Project PN.NWK2024-00663, involving reconstruction and realignment along an unnamed tributary to Baldwin Creek in Douglas County, Kansas. The certification document is available for public review on the KDHE website. This notice is part of KDHE's routine public notification process for water quality certifications associated with federal Clean Water Act Section 404 permit coordination.

Public Notice Kansas Federal Water Pollution Control Permits April 16 2026

KDHE has issued a public notice concerning draft water pollution control permits under Kansas Administrative Regulations and EPA authority. The notice covers draft NPDES and Kansas Water Pollution Control permits for discharges to waters of the United States and Kansas, including permits, notices to revoke and reissue, and notices to terminate. The final action will result in federal NPDES authorization and/or Kansas Water Pollution Control permits being issued.

Privacy Act System of Records: Compass Records Modification

The EPA is modifying its Privacy Act System of Records for Compass records, which track accounts receivable, accounts payable, budget execution, and related reporting. The modification adds a new routine use required by Executive Order 14249 and OMB Memorandum M-25-32. Contact information for the Agency Privacy Officer is also updated.

Arizona SIP Revision for Maricopa County ERC Program

The EPA is proposing to approve a revision to Arizona's State Implementation Plan (SIP) for the Maricopa County Air Quality Department regarding the New Source Review program's Emission Reduction Credits (ERC) program. The proposal opens a 32-day public comment period ending May 18, 2026. Affected sources in Maricopa County subject to New Source Review requirements should review the proposed changes to understand implications for ERC generation, use, and transfer.

Tucson International Airport Area Site CERCLA Settlement for Removal Action

The EPA proposes a CERCLA settlement agreement for removal action at the Tucson International Airport Area Site in Tucson, AZ. The settlement addresses environmental contamination at the Superfund site. Public comments on the proposed settlement are being accepted for 32 days.

Arizona Interstate Transport SIP Approval for 2012 Fine Particulate Matter Standards

EPA Region 9 approved Arizona's State Implementation Plan revision addressing interstate transport requirements for the 2012 Fine Particulate Matter National Ambient Air Quality Standards. The rule approves Arizona's demonstration that emissions from the state do not significantly contribute to PM2.5 nonattainment in other states. The action is effective May 18, 2026.

Pennsylvania Allegheny County Redesignation for 2012 Annual PM2.5 Standard

EPA approved Pennsylvania's request to redesignate the Allegheny County area for the 2012 Annual Fine Particulate Matter (PM2.5) National Ambient Air Quality Standard. The final rule is effective May 18, 2026. This action affects air quality management designations in the Pittsburgh metropolitan area under the Clean Air Act.

Air Plan Approval; California; Eastern Kern APCD; Portland Cement Kilns NOx

EPA Region 9 approved a revision to California's State Implementation Plan submitted by the Eastern Kern Air Pollution Control District. The revision establishes emission limitations and compliance schedules for nitrogen oxides from Portland cement kilns. The rule is effective May 18, 2026.

National Emission Standards: Coal- and Oil-Fired Electric Utility Steam Generating Units: Final Repeal; Correction

The EPA issued a correction to a February 2026 final rule that repealed National Emission Standards for Hazardous Air Pollutants (NESHAP) for coal- and oil-fired electric utility steam generating units. The correction is effective April 27, 2026. Operators of affected generating units should monitor for updates to emission standards under 40 CFR 63.

Pollution Incident Dead Fish Burn of Carron Near Aberlour

SEPA is investigating a pollution incident on the Burn of Carron near Aberlour, Scotland, that caused dead fish. Reports of white discoloration and a turpentine-like odour were received on 14 April. Officers traced the source to a layby on the A95 road. The Spey Fishery Board reported additional impacts including dead fish. SEPA officers confirmed on 15 April that water is now running clear. The investigation remains ongoing.

NAGPRA Inventory Completion: Kansas State Historical Society Human Remains

The National Park Service published a notice announcing the Kansas State Historical Society has completed its NAGPRA inventory of human remains and associated funerary objects. The inventory identifies four individuals from Norton and Rawlins Counties, Kansas, with eight associated funerary objects (chipped stone tools and mollusk shells). The KSHS determined cultural affiliation between these remains and Indian Tribes or Native Hawaiian organizations. Repatriation may occur on or after May 18, 2026.

NAGPRA Repatriation Notice: Dearborn Historical Museum Returns Sacred Objects to Seneca Nation

The National Park Service published a NAGPRA notice on behalf of the Dearborn Historical Museum in Dearborn, Michigan, announcing the intended repatriation of two sacred objects/objects of cultural patrimony to the Seneca Nation of Indians. The items include one Iroquois basket sifter and one pair of moccasins, both determined to have ongoing historical, traditional, and cultural importance to the tribe. Repatriation may occur on or after May 18, 2026.

NAGPRA Repatriation Notice: Dayton Society of Natural History Sacred Objects

The National Park Service published a NAGPRA notice indicating the Dayton Society of Natural History intends to repatriate three sacred objects to Native Hawaiian organizations. The objects consist of two lei niho palaoa and one niho palaoa (whale tooth pendant necklaces and pendant) identified as catalog numbers A-0983, A-0984, and A-0994. Repatriation may occur on or after May 18, 2026.

BLM Wyoming NAGPRA Notice, Funerary Objects Disposition

The National Park Service published a notice on behalf of the BLM Wyoming State Office regarding the intended disposition of associated funerary objects from archeological sites 48SU4479 and 48WA1957 in Wyoming under NAGPRA. The objects, including soil samples, debitage/flakes, fauna, projectile points, flora, biface, and a bone awl, are currently curated at the University of Wyoming in Laramie. Written claims for disposition must be submitted to Tanya Thrift, State Director Wyoming BLM by April 16, 2027.

Forest Service Repatriates 1135 Cultural Items Under NAGPRA

The National Park Service published a notice on behalf of the U.S. Department of Agriculture Forest Service, Tonto National Forest, announcing the intended repatriation of cultural items under NAGPRA. The Forest Service has determined that 1,135 cultural items meet the definition of unassociated funerary objects, sacred objects, and/or objects of cultural patrimony with cultural affiliation to Indian Tribes. The items include faunal bone, lithics, shell and stone beads, ceramic bowls, and other artifacts excavated from site AZ O:15:1(ASM)/AR-03-12-06-54 in Gila County, Arizona in 1929 and 1930.

Kansas State NAGPRA Notice: Human Remains and Funerary Objects Inventory

The National Park Service has published a Notice of Inventory Completion for the Kansas State Historical Society (KSHS) under NAGPRA. KSHS has identified human remains representing at least eight individuals and approximately 3,124 associated funerary objects from Logan, Gove, Rooks, and Sheridan Counties, Kansas. Determinations of cultural affiliation have been made between these remains/objects and Indian Tribes or Native Hawaiian organizations. Repatriation may occur on or after May 18, 2026.

Takes of Marine Mammals Incidental to Specified Activities; Demolition of Pier 10 and Construction of Crane Weight Test Area at U.S. Naval Submarine Base New London

NMFS has issued an incidental harassment authorization (IHA) to the U.S. Navy authorizing the incidental take of marine mammals during demolition of Pier 10 and construction of a crane weight test area at U.S. Naval Submarine Base New London in Groton, Connecticut. The authorization is effective for 1 year from the date of notification by the IHA-holder, not to exceed 1 year from the date of issuance.

Magnuson-Stevens Act; EFP Application for U.S. West Coast Highly Migratory Species Fisheries Testing Monofilament Ring Tackle

NMFS received an exempted fishing permit (EFP) application from the Pflegler Institute of Environmental Research to test monofilament ring tackle as an alternative gear type for harvesting swordfish and other highly migratory species (HMS) off the U.S. West Coast. The Pacific Fishery Management Council reviewed and endorsed the application during its March 2026 meeting and recommended NMFS approval. NMFS is now seeking public comments on whether to issue the EFP.

Draft ADME-B Modeling for HHCB

EPA has released a draft ADME-B (Absorption, Distribution, Metabolism, Excretion-Bioaccumulation) modeling document for HHCB (a synthetic musk compound used in fragrances). The document is available for public review. This draft appears to support EPA's chemical risk assessment process under TSCA (Toxic Substances Control Act).

Draft Consumer Chronic Inhalation Risk Calculator for HHCB

EPA has released a draft Consumer Chronic Inhalation Risk Calculator for HHCB (a synthetic fragrance compound widely used in consumer products). The calculator provides a standardized tool for assessing chronic inhalation exposure risks from HHCB-containing products such as perfumes, cosmetics, and household cleaning products. The document is open for public comment and represents EPA's ongoing effort to evaluate chemical safety under TSCA.

HHCB Environmental Hazard Draft Data Quality Evaluation

EPA's Office of Pollution Prevention and Toxics (OPPT) has released a draft data quality evaluation for Hexahydrohexamethylcyclopentabenzopyran (HHCB), a chemical substance used in fragrance applications. The document assesses the reliability and quality of environmental hazard data that will inform the risk evaluation under the Toxic Substances Control Act (TSCA). The draft evaluation is subject to public comment before finalization.

North Vegas Logistics Center Groundwater Discharge Permit NS2024502

The Nevada Division of Environmental Protection has received an application from NP BGO Apex Industrial Owner LLC for a groundwater discharge permit (NS2024502) for the North Vegas Logistics Center Building 2 project in Carson City, Nevada. The permit application is being posted for public notice and comment under Nevada Revised Statutes and the Clean Water Act. Public documents including the draft permit, fact sheet, and public notice are available for download from NDEP.

North Vegas Logistics Center Building 1 Groundwater Discharge Permit Application NS2023514

The Nevada Division of Environmental Protection (NDEP) has received a permit application from NP BGP Apex Industrial Owner LLC for a groundwater discharge permit (NS2023514) at the North Vegas Logistics Center Building 1. The permit application is open for public comment through May 22, 2026. Documents including the public notice, permit draft, and fact sheet are available for download from NDEP.

Ocean Spray Henderson CAPP Construction Permit Application Comment Period

The Nevada Division of Environmental Protection (NDEP) announces receipt of a permit application from Ocean Spray Cranberries - Henderson to construct a facility regulated under the Chemical Accident Prevention Program (CAPP). The facility involves an Ammonia Refrigeration System Mechanical Room Expansion Project using Anhydrous Ammonia, located at 1301 American Pacific Dr., Henderson (Clark County). NDEP is seeking public comments on this application during the specified 30-day comment period.

CAPP Application Notice for Savage Infrastructure, Elko, NV

Nevada Division of Environmental Protection (NDEP) announces receipt of an application from Savage Infrastructure LLC to construct a propane railcar storage, movement, and transloading facility at 8800 E. Idaho St., Elko, Nevada. The facility would be regulated under the Chemical Accident Prevention Program (CAPP). Public comments on the permit to construct application will be accepted through May 14, 2026.

Princess Pine Estate Land Conservation Acquisition

The Rhode Island DEM acquired the 68-acre Princess Pine Estate in Hopkinton for $1.66 million for public recreational use. Funding came from US Fish & Wildlife Service ($800,000), The Nature Conservancy ($500,000), and Open Space Bond funds ($361,000). The property will be incorporated into DEM's Rockville Wildlife Management Area.

Beach Advisories Lifted for Gulfport West and Biloxi

The Mississippi Department of Environmental Quality has lifted beach water contact advisories for Gulfport West Beach (Station 8, Marie Ave. to Camp Ave.) and Biloxi West Central Beach (Station 12A, Travia St. to Iberville Dr.) after water samples showed acceptable bacteria levels. Four beach water contact advisories remain in effect along the Mississippi Gulf Coast. MDEQ will continue issuing text alerts and press releases through Labor Day, September 7, 2026.

EPA Region 1 Superfund Remediation Goals Methodology

EPA Region 1 has released its Superfund Remediation Goals Methodology for public comment. The document establishes the technical framework for calculating remediation goals at Superfund sites within EPA Region 1, covering the New England states. Affected parties including responsible parties, environmental consultants, and regulated entities involved in Superfund cleanup activities should review the methodology and provide comments.

EPA Region 1 Preliminary Remediation Goals for Post-Remedy Ecological Exposure

EPA Region 1 has issued draft Preliminary Remediation Goals (PRGs) specifically developed for evaluating ecological exposure scenarios at sites after remediation activities have been completed. The document addresses post-remedy ecological risk assessment at Superfund and other cleanup sites in EPA Region 1, which covers the six New England states. Public comment is being sought on these draft ecological exposure guidelines.

Callahan Mining Corp OU3 Draft ESD Public Comment

EPA Region 1 has released a draft Explanation of Significant Differences (ESD) for the Callahan Mining Corp Superfund Site OU3 (Operable Unit 3) for public comment. The document proposes modifications or clarifications to the previously selected remedial action for the mine tailings contamination site. EPA is soliciting public input on the draft ESD before finalization.

Redacted Final Remedial Action Report, EPA Region 1

EPA Region 1 filed a redacted Final Remedial Action Report under the Superfund program (Comprehensive Environmental Response, Compensation, and Liability Act). The document records remedial action activities at a contaminated site in New England. Specific site details and remediation findings are not available due to redaction.