///Substitute Environmental Document
Substitute Environmental Document 2018-11-08T10:26:41+00:00

State Water Resources Control Board flow proposal

A proposal by the State Water Resources Control Board (SWRCB) would require the Merced, Tuolumne, and Stanislaus rivers to dedicate a significant percentage of unimpaired flow from February through June annually to improve fish populations and the Delta ecosystem.

November 2018 UPDATE

On November 7, 2018, after considering a request from Governor Edmund G. Brown Jr. and Governor-elect Gavin Newsom, the State Water Resources Control Board voted 3-0 to delay further consideration of the Final Substitute Environmental Document (SED) supporting Phase 1 of its Bay-Delta Water Quality Control Plan until its December 11, 2018 meeting to give the voluntary settlement agreement process more time to be successful.

Letter from the Governor and Governor-elect

The proposal

If approved, the SED would undoubtedly have significant and devastating impacts on TID customers, all of whom benefit from the Tuolumne River. The SED’s preferred alternative calls for 40 percent of unimpaired flow to be released from these three rivers during the above time span.

The process

The Draft SED was released in Dec. 2012, and after a public hearing at the SWRCB in Sacramento in March 2013, the SWRCB decided to update the document’s analyses and objectives. The SWRCB released an updated SED on Sept. 2016, setting off another comment period that concluded March 17, 2017. On March 16, 2017, TID filed formal comments to the State Water Resources Control Board (SWRCB) regarding the SWRCB’s revised SED.

Proposal threatens the region on many levels

TID strongly opposes this sweeping proposal and believes there are less drastic, non-flow-based alternatives that warrant the serious consideration of the State Water Resources Control Board. This proposal lacks the best available science and will negatively impact TID water and power customers. The proposal will also cause significant harm to the region’s economy, agriculture operations and water supply.

There would also be negative effects to groundwater levels at a time when California is in search of paths to better groundwater management following the Sustainable Groundwater Management Act of 2014.

The links below are provided for customers and others looking to gain information or be a part of the process regarding the State Water Resources Control Board’s proposal.

Additional Information

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