Sewage Sludge - Per- and Polyfluoroalkyl Substances - Regulation
SB0719 establishes a new state regulatory framework for sewage sludge and products containing sewage sludge when they contain certain per- and polyfluoroalkyl substances (PFAS), especially PFOA and PFOS. The bill prohibits land application of sewage sludge on agricultural or marginal land if the total concentration of regulated PFAS is 50 parts per billion or higher, and it creates a temporary, more limited pathway for material between 25 and 50 parts per billion subject to setback, rate, and notice requirements. It also defines “commingle” for blending sewage sludge from multiple sources and allows limited blending to reduce PFAS concentrations below the lower threshold, while imposing monthly monitoring and immediate reporting if the blended product remains above 25 parts per billion.
The bill requires sewage sludge generators to use approved monitoring protocols, including sampling at least quarterly and laboratory methods approved by the Department of the Environment, and it directs the Department to establish regulations for these testing and compliance procedures. For generators whose sludge tests at or above 25 parts per billion, the bill requires a source-tracking study and a mitigation plan aimed at identifying and reducing PFAS inputs, with possible measures including pretreatment controls on industrial users and treatment solutions at the plant or system level. The Department must review mitigation plans, may approve or deny them, and can bar land application if a generator is out of compliance.
SB0719 also expands the role of the Department of the Environment and pretreatment authorities in controlling PFAS discharges into wastewater systems. It authorizes the establishment of pretreatment standards for industrial users that exceed action levels, and it allows local jurisdictions and pretreatment authorities to set rates and fees for industrial users whose PFAS discharges require mitigation. The bill further requires the Department to provide guidance and technical assistance, and it preserves local authority to adopt stricter local limits that reduce PFAS more than the state minimums.
The bill’s impact on state law is to add a new Environment Article section specifically governing PFAS in sewage sludge land application, while also amending existing definitions of sewage and sewage sludge generator. It creates enforceable statewide thresholds, monitoring obligations, notice requirements, and mitigation duties for sewage sludge generators, land applicators, and wastewater treatment systems that produce sludge intended for land application. The bill is scheduled to take effect October 1, 2026, and it represents a significant expansion of state oversight over biosolids management and PFAS contamination controls.
The overall sentiment around the bill appears strongly supportive and largely noncontroversial, as reflected by unanimous or near-unanimous third-reading votes in both chambers and final passage without recorded opposition in the available history. No committee transcript excerpts were provided, so there is no recorded floor or committee debate to indicate public disagreement. The main points of potential contention inherent in the bill are the compliance costs and operational burdens on sewage sludge generators, wastewater treatment plants, industrial users, and local pretreatment authorities, especially around testing, source tracking, mitigation planning, and possible restrictions on land application. Another likely area of concern is the balance between environmental/public health protection and the practical feasibility of reducing PFAS levels in sludge and wastewater systems within the bill’s timelines.
The bill amends the Environment Article to create a dedicated PFAS regulatory regime for sewage sludge land application, including new definitions, monitoring standards, concentration thresholds, notice requirements, and mitigation obligations. It authorizes the Department of the Environment to regulate land application of sewage sludge containing regulated PFAS, to require source tracking and mitigation plans when thresholds are exceeded, and to work with pretreatment authorities on industrial discharge controls and local limits. It also affects sewage sludge generators, land applicators, industrial users, local jurisdictions, and publicly owned treatment works by imposing new compliance, reporting, and potential fee-setting responsibilities.
The bill appears to have been broadly supported and passed with little visible opposition, as shown by unanimous or near-unanimous third-reading votes in the Senate and House. With no committee transcript excerpts available, there is no evidence of significant public debate in the provided materials. The voting record suggests the measure was viewed as a public health and environmental protection bill with strong bipartisan acceptance.
The principal areas of contention are likely to be the costs and feasibility of compliance for sewage sludge generators, wastewater treatment plants, and industrial dischargers, particularly the expense of PFAS testing, source tracking studies, mitigation plans, and treatment upgrades. The bill also creates tension between environmental protection and continued beneficial land application of biosolids, since sludge above the thresholds is restricted or subject to temporary management measures. Local jurisdictions and pretreatment authorities may also face questions about how aggressively to set local limits, rates, and fees for industrial users, and whether the timelines for reducing PFAS to below 25 parts per billion are achievable.