The State Water Resources Control Board (“Water Board”) is now receiving public comments on certain components of its revised proposed statewide National Pollutant Discharge Elimination System (“NPDES”) Construction Stormwater General Permit (“Construction Stormwater General Permit”).

The first draft Construction Stormwater General Permit was released by the Water Board on May 28, 2021, following Staff’s preliminary draft released in November 2020 and consideration of public comments raised in public workshops held in December 2020.  A revised proposed draft Construction Stormwater General Permit was released on March 30, 2022.  Water Board Staff is now accepting comments on the following items in the revised draft Permit:

• Anti-degradation findings set forth in Order, Findings 9-18;
• Regulatory transition requirements set forth in Order, Section III.C;
• Sediment-based numeric effluent limitations for 14 pollutants as set forth in total maximum daily load (“TMDL”) implementation requirements in Attachment H section I.G.5, and the Fact Sheet sections I.G.5.g and I.W.6.g; and
• Nitrogen-based nutrient numeric action levels for the Los Angeles Area Lakes TMDL, the Los Angeles River Nutrients TMDL, the Santa Clara River Nitrogen Compounds TMDL, and the Ventura River Algae TMDL in Table H-2 of Attachment H, and in Fact Sheet sections I.G.5.d and I.W.6.d.

Continue Reading State Water Board Receiving Limited Comments on Its Proposed Reissuance of the Statewide NPDES Construction Stormwater General Permit; Will Consider Adoption At July 19, 2022 Meeting

On June 10, 2021, the State Water Resources Control Board (“Water Board”) issued a Revised Public Notice that changed certain dates noted in our June 2, 2021 blog post.  The Water Board’s public hearing to receive public comments on the draft Construction Stormwater General Permit reissuance is now scheduled to occur at 9:00 a.m. on…

The State Water Resources Control Board (“Water Board”) is now receiving public comments on its proposed reissuance of the statewide National Pollutant Discharge Elimination System (“NPDES”) Construction Stormwater General Permit (“Construction Stormwater General Permit”).

I.     Background

The Construction Stormwater General Permit regulates discharges to waters of the United States from stormwater and authorized non-stormwater associated with construction activities that disturb one or more acres of land, or are part of a common plan of development or sale that disturbs one or more acre of land surface.  California’s previous Construction Stormwater General Permit expired in September 2014 but has been administratively extended until a reissued permit is adopted.
Continue Reading State Water Board Now Receiving Public Comments on Its Proposed Reissuance of the Statewide NPDES Construction Stormwater General Permit

On November 30, 2020, State Water Resources Control Board (State Water Board) staff released a preliminary staff draft of the Statewide Construction Stormwater General Permit (Preliminary Draft General Permit).  In conjunction with its release of the Preliminary Draft General Permit, State Water Board staff also announced that they will hold two public workshops regarding the preliminary staff draft.  According to the Public Notice, the workshops are intended to: (1) provide stakeholders and interested parties information regarding the preliminary draft General Permit, and (2) allow stakeholders and interested parties to provide feedback to staff.

The Preliminary Draft General Permit includes:

• New requirements to implement existing Total Maximum Daily Loads;
• New regulation of passive treatment technology uses and discharges from dewatering activities;
• Updated criteria for Notices of Non-Applicability;
• Efficiency to the existing Notice of Termination process;
• Requirements to implement the California Ocean Plan, the Inland Surface Waters Plan, and statewide Trash provisions;
• Updated requirements for demolition activities;
• Updated water quality sampling requirements per the federal Sufficiently Sensitive Test Methods Rule; and
• Updated monitoring and reporting requirements.

Continue Reading State Water Board Staff Releases Staff Preliminary Draft Statewide Construction Stormwater General Permit and Announces Virtual Workshops