Alco Water Service is a large public water system in EPA region 9 that provides tap water for the 93905, 93906 zip codes. It has 18 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 1.3 µg/L. The maximum reported level of Manganese was 15 µg/L. There were 2 contamintants found in the Alco Water Service water supply at levels that were above the minimum reporting level.
Alisal High School Well
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Las Casitas Well
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
County Well
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Santana Well
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Kilbreth Well
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Verona Well
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Stage 2 DBP
Ground Water (GW)8 Williams RoadDistribution System (DS)
BO @ 38 Longfellow CircleDistribution System (DS)
BO @ 257 North Madeira AvenueDistribution System (DS)
BO @ 1538 Cougar DriveDistribution System (DS)
BO @ 257 N Madeira Ave
Ground Water (GW)DSMRT for All WellsMaximum Residence Time (MR)
Las Casitas Well
Ground Water (GW)Las Casitas WellEntry Point to the Distribution System (EP)
Boronda Well
Ground Water (GW)Boronda WellEntry Point to the Distribution System (EP)
Nogal Well
Ground Water (GW)Nogal WellEntry Point to the Distribution System (EP)
ALISAL HIGH SCHOOL WELL
Ground Water (GW)ALISAL HIGH SCHOOL 14S/03E-26J02SR (SR)
ALMA ST.
Ground Water (GW)ALMA ST. 14S/03E-26M01SR (SR)
COUNTY WELL
Ground Water (GW)COUNTY WELL 14S/03E-27B02SR (SR)
SANTANA WELL
Ground Water (GW)SANTANA WELL 14S/03E-26P01SR (SR)
WELL 01 - LAS CASITAS
Ground Water (GW)WELL 01 - LAS CASIT 2710001-011SR (SR)
WELL 04 - EAST BORONDA WELL
Ground Water (GW)WELL 04 - EAST BORO 2710001-012SR (SR)
NOGAL WELL
Ground Water (GW)NOGAL WELL 2710001-013SR (SR)
The latest water samples were taken on September 12th, 2023.