Projects

EL Dorado Irrigation District

Wastewater Treatment Plants (WWTP)

El Dorado Irrigation District – Camino Heights Wastewater Treatment Facility (WWTF), Camino, California

The Camino Heights WWTF (owned and operated by the District) is located approximately four miles east of Placerville in El Dorado County and services a residential area on the south side of U.S. Highway 50. It receives only domestic wastewater from the Camino Heights community. Average flow ranges between 15,000 and 30,000 gallons per day. Evaporation/percolation ponds, a spray field, and a drip irrigation system are the primary means of effluent disposal.

Stratus personnel replaced two of the five existing groundwater monitoring wells and installed four site piezometers. We currently conduct semi- annual groundwater monitoring of the District’s wells and prepare and submit Annual Groundwater Quality Evaluation Reports addressing whether the Camino Heights WWTF operations have caused or are likely to cause violations of Groundwater Limitations listed in the site’s WDRs. In addition, Stratus completed a Background Groundwater Quality Study and Degradation Assessment Report for the District in accordance with CCR Title 27 to compare groundwater potentially impacted from the WWTF operations to background groundwater quality.

El Dorado Irrigation District – El Dorado Hills Wastewater Treatment Plant (WWTP), El Dorado Hills, California

The District’s WWTP is located in El Dorado Hills, California. The District owns and operates the permitted 4 million gallons per day WWTP and serves the community of El Dorado Hills. According to District personnel, the existing 66 million-gallon reservoir in the eastern portion of the site is un-lined. All other treatment, storage, and disposal units located at the WWTP are lined or placed in tanks.

In accordance with the WDRs/NPDES permit, the District was required to establish and implement a groundwater monitoring network that included one or more background monitoring wells and a sufficient number of designated monitoring wells down gradient of every treatment, storage, and disposal unit that does or may release waste constituents to groundwater.  In July 2008, Stratus personnel installed three groundwater monitoring wells under permit and in accordance with the Regional Water Quality Control Board (RWQCB) approved Monitoring Well Installation Work Plan (prepared by Stratus personnel).

About this Project

Client EL Dorado Irrigation District

Scope of Work

  • Well/Piezometer Installation
  • Groundwater Monitoring, Sampling, and Reporting