Purpose

This bill updates Minnesota law on how water discharge incidents must be handled. It keeps the duty to prevent water pollution and to respond quickly but expands who must be notified and how. Key changes include requiring downstream and public notice after a discharge, using fast communication methods, and posting signage for impacted areas. It also creates a small exception for very small petroleum discharges and requires state guidance on how to provide timely notice.

Main Provisions

• Duty to notify: Anyone controlling a discharge that could pollute the waters of the state must notify the agency immediately and take steps to recover the discharged material and minimize pollution.
• Small-discharge exemption: If the discharge is five gallons or less of petroleum, notification to the agency is not required under the general notice rule. This exemption does not change the requirement to fulfill other pollution-prevention duties in Paragraph a.
• Downstream and public notice: After notifying the agency, the owner of a publicly owned treatment works or of a public or private wastewater system must promptly inform downstream users who could be affected, including public Tribal governments and downstream drinking water facilities.
• Communication methods: Notices to the public and to drinking water facilities must be conveyed using the most efficient communication method available (examples include in person, phone, radio, social media, a website, or another rapid form).
• Signage and public areas: In addition to direct notices, signage must be posted at impacted public use areas within the same jurisdiction, or the entity with jurisdiction over those areas must be notified.
• Notice contents: Each notice must include the discharge date and time, a description of the material released, a warning about potential public health risks, and the contact information of the permittee.
• Agency guidance: The agency must provide guidance on methods and protocols for providing timely notice under this section.

Significant Changes to Existing Law

• Expanded notice recipients: Moves beyond notifying only the agency to require downstream notice to downstream users, including tribal governments and downstream drinking water facilities.
• Expanded notification channels: Requires use of the most efficient communications system to reach affected parties, improving speed and reach of alerts.
• Public-facing notification and signage: Adds requirements to notify the public and post signage at impacted public use areas, increasing public awareness and safety.
• Clarified exemptions: Maintains the general duty to respond and minimize pollution even for small petroleum discharges, while creating a threshold exemption for notice to the agency for five gallons or less.
• Formal guidance role for the agency: Establishes a formal duty for the agency to provide practical guidance on how to carry out timely notice.

Implementation and Compliance Considerations

• Entities responsible for discharges should prepare to quickly determine downstream stakeholders, including tribal governments and drinking water facilities, who may be impacted.
• Organizations must ensure the capability to reach downstream recipients through multiple channels and to post appropriate signage when required.
• Compliance will depend on having accurate contact information for downstream entities and having ready access to the “most efficient communications system” for rapid alerts.
• Organizations should monitor and follow any agency-provided protocols and guidance for timely notice.

Potential Public Health Impact

• Faster and broader notification could help downstream water facilities and communities take protective actions sooner, reducing exposure to potentially contaminated water.
• Signage and clear notice content (date/time, material description, health risk, and contact) improve public understanding and response during water quality events.

Relevant Terms - discharge, notice, pollution, waters of the state, pollutant, substance - five gallons or less, petroleum, 115C.02 subdivision 10 - publicly owned treatment works, publicly or privately owned domestic sewer system - downstream users, downstream drinking water facility - public Tribal governments - notice by most efficient communications system (in person, phone, radio, social media, web page) - signage, public use areas - date and time of discharge, description of material released, public health risk, permittee contact information - guidance, methods, protocols, timely notice - Minnesota Statutes 2024 section 115.061