- "Locals get a peek at groundwater replenishment test plant," November 5, 2013, Monterey County Herald video and article
- "Recharging Wells With Purified Wastewater," Jan 3, 2014, KUSP Central Coast Public Radio podcast and article
- Visit the MRWPCA booth at Whalefest Monterey, Jan 25 & 26, Old Fisherman's Wharf offsite link
A Groundwater Replenishment Project to Help Address Critical Water Needs for the Region
In support of a sustainable, diverse water supply for the Monterey Peninsula, the Monterey Regional Water Pollution Control Agency (MRWPCA) has formed a partnership with American Water Company and the Monterey Peninsula Water Management District in proposing a Groundwater Replenishment Project (GWR Project). A groundwater replenishment project would recharge the Seaside groundwater basin with high quality purified water. The project being considered is sustainable, drought-resistant and would improve and protect drinking water supplies. The GWR Project is in advanced planning stages, and has been expedited to be online by the Fall of 2016. Funding will be provided by grants, project partners and water users on the Monterey Peninsula.
The GWR Project would:
- Create a reliable, publicly owned, safe water supply for Monterey Peninsula.
- Allow other, more energy-intensive, options such as seawater desalination to be smart-sized, thus enhancing the overall environmental benefits.
- Diversify the community's water supply portfolio for a more secure water supply.
- Be online sooner and use far less energy than most other water supply alternatives.
Proposed Project Overview
The proposed GWR Project will recharge the Seaside groundwater basin with high quality purified water. The project is sustainable, drought-resistant and will improve and protect drinking water supplies. The project is in advanced planning stages and has been expedited to be online by the fall of 2016 and cost no more than $3,000/Acre-Foot.
For additional project information, browse the Overview Section.
Project Updates (June 2013)
- The Fiscal Year 13/14 project budget was approved at June 24, 2013 Board of Director’s meeting which includes $2.4 M for 14 contracts with 12 consultants to perform:
- required CEQA analysis and reporting, including identifying and analyzing alternatives
- drill and install a monitoring well
- hydrogeological modeling of proposed injection sites on the Seaside basin
- pilot testing including analysis of groundwater, source waters, and bench-scale treatment processes.
- public health study reviews and regulatory agency requirements coordination
- feasibility studies and facilities planning including conveyance pipeline and pump station analysis
- Independent Advisory Panel meetings
- Proposed water sources will now include:
- City of Salinas commercial facility pond water (primarily produce wash water)
- Blanco Drain water
- Storm drain waters from MRWPCA member entity cities
- Secondary effluent from the MRWPCA treatment plant (limited).
- Reclamation Ditch water
Combined, these wastewaters could potentially provide 9,550-12,050 acre-feet per year of source water.
- Notice of Preparation was issued for the proposed GWR project. The 30-day public comment period is from May 31 – July 2, 2013. Please see Public Participation page to view the NOP document and information on how to submit a comment.
- A NOP Public Scoping meeting was held at the Oldemeyer Center, Seaside on June 18, from 6 PM – 8 PM. Approximately 35 people attended.
- Workshops in May and June 19 were held at the California Public Utility Commission (CPUC, proceeding A.12-04-019) to develop criteria for the proposed GWR Project to determine California-American Water Company’s desalination plant capacity.
- Public outreach coordination with the Monterey Peninsula Regional Water Authority and the Monterey Peninsula Water Management District.
Older Project Updates can be found on the Archives page.