City of Pleasanton is a large public water system in EPA region 6 that provides tap water for the 78064 zip codes. It has 18 facilities where the water supply was tested for 74 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 5.88 µg/L. The maximum reported level of Manganese was 135 µg/L. There were 2 contamintants found in the City of Pleasanton water supply at levels that were above the minimum reporting level.
North Town TP
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Halpin TP
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Crestline TP
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Woodland TP
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Goodwin TP
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Industrial Well
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Distribution System
Ground Water (GW)7970 Highway 281 N.Distribution System (DS)
2207 Oaklawn RoadDistribution System (DS)
2970 2ndDistribution System (DS)
1004 BowenDistribution System (DS)
Distribution System
Ground Water (GW)DSMRT for Plant 4Maximum Residence Time (MR)
DSMRT for Plant 2Maximum Residence Time (MR)
DSMRT for Plant 3Maximum Residence Time (MR)
DSMRT for Plant 5Maximum Residence Time (MR)
DSMRT for Plant 1Maximum Residence Time (MR)
Plant 4
Ground Water (GW)Goodwin/Carrizo GS @ PlantEntry Point to the Distribution System (EP)
Plant 2
Ground Water (GW)North Town GS @ PlantEntry Point to the Distribution System (EP)
Plant 3
Ground Water (GW)Halpin GS @ PlantEntry Point to the Distribution System (EP)
Plant 5
Ground Water (GW)Woodland GS @ PlantEntry Point to the Distribution System (EP)
Plant 1
Ground Water (GW)Yard @ PlantEntry Point to the Distribution System (EP)
PLANT 1 YARD
Ground Water (GW)PLANT_1_YARDEntry Point to the Distribution System (EP)
PLANT 2 NORTH TOWN
Ground Water (GW)PLANT_2_NORTH_TOWNEntry Point to the Distribution System (EP)
PLANT 3 HALPIN
Ground Water (GW)PLANT_3_HALPINEntry Point to the Distribution System (EP)
PLNT 4 GOODWIN/CARRI
Ground Water (GW)PLNT_4_GOODWIN/CARRIEntry Point to the Distribution System (EP)
PLANT 5
Ground Water (GW)PLANT_5Entry Point to the Distribution System (EP)
The latest water samples were taken on February 20th, 2025.