1 / 11

Sativa Water System Manganese Wellhead Treatment

Sativa Water System Manganese Wellhead Treatment. Los Angeles County Russ Bryden rbryden@dpw.lacounty.gov (626) 802-8611 mobile. Sativa Water System Manganese Wellhead Treatment. Sativa Water System Manganese Wellhead Treatment. DAC Status. $44,349. State Water Board certifies

ally
Télécharger la présentation

Sativa Water System Manganese Wellhead Treatment

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Sativa Water SystemManganese Wellhead Treatment Los Angeles County Russ Bryden rbryden@dpw.lacounty.gov (626) 802-8611 mobile

  2. Sativa Water SystemManganese Wellhead Treatment

  3. Sativa Water SystemManganese Wellhead Treatment

  4. DAC Status $44,349 State Water Board certifies Sativa Water System MHI = $44,349

  5. Project Outreach • Outreach strategies used during planning • Community Meetings • Customer Newsletters • Media (newspaper, TV, radio, others) • Public feedback and if/how it was incorporated • Manganese is the believed to be the source of Sativa’s brown water. The community is aware of this and strongly wants the brown water addressed. • Project is located entirely within wellsite. No public access is permitted. • Planned long-term project messaging (e.g. website, on-site signage, infographics) • Onsite signage • Annual statement in Sativa’s Community Confidence Report

  6. Funding Details Funding: • Total Project Cost = $2,250,000 • Matching Funds = $0 (DAC, MHI = 66% CA) • Grant Request = $2,250,000 • Matching Funds Sources = N/A • O&M costs per year = $25,000 per year ($93 / Acre Foot) Partners: • Water Replenishment District

  7. Program Preferences Climate Change • Reduce greenhouse gases • Decrease demand for imported water and associated energy use • Without manganese removal, Sativa cannot serve groundwater and would be forced to rely on imported water Regional Water Self-Reliance • Allow Sativa to serve groundwater • Without manganese removal, Sativa cannot serve groundwater and would be forced to rely on imported water List Statewide Priorities Objectives • Provide Safe Water for All Communities • Provide all Californians the right to safe, clean, affordable and accessible water adequate for human consumption, cooking, and sanitary purposes • Provide funding assistance for vulnerable communities • Manage the supply status of community water systems Expected Useful Life • 30+ Years CEQA and Permit Completion • Done – Mitigated Negative Declaration completed November 2018

  8. Benefits Problem / Issue to be Addressed • Manganese is believed to be the source of Sativa’s brown water issues • State Board has indicated that Sativa will receive a Compliance Order to address the manganese exceedances • Sativa's primary well has logged consistent exceedances of Secondary Drinking Water Quality Standards for manganese. • Manganese levels average 51 ug/L for the last 12 months • ~60+ ug/L for 9 months, ~30 ug/L for 3 months during the rainy season • Secondary Drinking Water Standard is 50 ug/L Describe physical benefits of the project • Remove up to 100% of manganese • Post treatment = 0ug/L to 25 ug/L How does project addresses critical need (s) of GLAC IRWM • Improves DAC access to clean, safe water • Keeps water service costs for a DAC from rising steeply • Project costs aren’t transferred to customers • If project not built, must switch to imported water

  9. Estimated Budget

  10. Project Schedule

  11. Other Considerations

More Related