City of San Marcos is a large public water system in EPA region 6 that provides tap water for the 78666, 78667 zip codes. It has 21 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 19.17 µg/L. The maximum reported level of Manganese was 3.5 µg/L. There were 2 contamintants found in the City of San Marcos water supply at levels that were above the minimum reporting level.
Springlake
Multiple Sources (MX)Sample TapEntry Point to the Distribution System (EP)
Kingswood
Multiple Sources (MX)Sample TapEntry Point to the Distribution System (EP)
SWTP
Surface Water (SW)Sample TapEntry Point to the Distribution System (EP)
Soyar
Multiple Sources (MX)Sample TapEntry Point to the Distribution System (EP)
Great Oaks
Multiple Sources (MX)Sample TapEntry Point to the Distribution System (EP)
Comanche
Multiple Sources (MX)Sample TapEntry Point to the Distribution System (EP)
McCarty Ln
Ground Water (GW)Sample TapEntry Point to the Distribution System (EP)
DBP2-07
Surface Water (SW)1839 Airport RdDistribution System (DS)
DSMRT for SWTPMaximum Residence Time (MR)
DSMRT for OakridgeMaximum Residence Time (MR)
DBP2-06
Multiple Sources (MX)126 Bert Brown RdDistribution System (DS)
DBP2-01
Multiple Sources (MX)1175 HilltopDistribution System (DS)
DSMRT for SoyarMaximum Residence Time (MR)
DSMRT for SpringlakeMaximum Residence Time (MR)
DBP2-02
Multiple Sources (MX)904 San AntonioDistribution System (DS)
DSMRT for McCarty LaneMaximum Residence Time (MR)
DSMRT for ComancheMaximum Residence Time (MR)
DSMRT for KingswoodMaximum Residence Time (MR)
DBP2-03
Multiple Sources (MX)2525 S IH 35Distribution System (DS)
DBP2-04
Multiple Sources (MX)345 ChampionsDistribution System (DS)
DBP2-05
Multiple Sources (MX)2700 CenterpointDistribution System (DS)
DBP2-08
Multiple Sources (MX)2826 RR 12Distribution System (DS)
Oakridge
Surface Water (SW)Sample TapEntry Point to the Distribution System (EP)
EP008
Surface Water (SW)SAMPLE TAP @ CITY OF SAN MARCOS SWTPEntry Point to the Distribution System (EP)
SPRING LAKE STATION
Ground Water (GW)SPRING_LAKE_STATIONEntry Point to the Distribution System (EP)
COMANCHE STATION
Ground Water (GW)COMANCHE_STATIONEntry Point to the Distribution System (EP)
MCCARTY LANE
Ground Water (GW)MCCARTY_LANEEntry Point to the Distribution System (EP)
SOYAR
Ground Water (GW)SOYAREntry Point to the Distribution System (EP)
The latest water samples were taken on August 15th, 2024.