Colusa Glenn Subwatershed Program is here to help Members meet the Irrigated Lands Regulatory Program: Waste Discharge Requirements General Order for Growers within the Sacramento River Watershed that are Members of a Third-Party Group, Order No. R5-2014-0030.
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Member Online Data Management Tool (DMT) OPEN for 2024 Crop Year Reporting; CLICK HERE for Reporting Packet Sample Statements/Invoices were mailed December 1, 2025 and DUE January 31, 2025 (for the 2025 Calendar Year)
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Regional Water Quality Control Board's On-Farm Domestic Drinking Water Well Sampling Requirements Click here for more info!
