CA Water Service - Stockton is a large public water system in EPA region 9 that provides tap water for the 95202 - 95207, 95211, 95212, 95219 zip codes. It has 71 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 22.4 µg/L. The maximum reported level of Manganese was 100 µg/L. There were 2 contamintants found in the CA Water Service - Stockton water supply at levels that were above the minimum reporting level.
Well 61-1 (GWRMP)
Ground Water (GW)STK-W-061-01-TREntry Point to the Distribution System (EP)
Well 60-1 (GWRMP)
Ground Water (GW)STK-W-060-01-TREntry Point to the Distribution System (EP)
Well 35-1
Ground Water (GW)STK-W-035-01-CLEntry Point to the Distribution System (EP)
Well 36-1 (GWRMP)
Ground Water (GW)STK-W-036-01-AFEntry Point to the Distribution System (EP)
Well 79-1 (GWRMP)
Ground Water (GW)STK-W-079-01-CLEntry Point to the Distribution System (EP)
Arsenic Blend
Multiple Sources (MX)STK-BL-W-SEWDEntry Point to the Distribution System (EP)
SEWD Intertie
Surface Water (SW)STK-WS-001Entry Point to the Distribution System (EP)
Well 21-02
Ground Water (GW)STK-W-021-02-CLEntry Point to the Distribution System (EP)
Well 87-01-CL
Ground Water (GW)STK-W-087-01-CLEntry Point to the Distribution System (EP)
Well 66-02 (GWRMP)
Ground Water (GW)STK-W-066-02-CLEntry Point to the Distribution System (EP)
Well 68-01
Ground Water (GW)STK-W-068-01-CLEntry Point to the Distribution System (EP)
Well 66-1 (GWRMP)
Ground Water (GW)EP #117 - STK-W-066-01-TREntry Point to the Distribution System (EP)
Well 62-1
Ground Water (GW)EP #115 - STK-W-062-01-CLEntry Point to the Distribution System (EP)
Well 7-2 (GWRMP)
Ground Water (GW)EP #75 - STK-W-007-02-CLEntry Point to the Distribution System (EP)
Distribution System
Multiple Sources (MX)STK-D-006Distribution System (DS)
Distribution System
Multiple Sources (MX)STK-D-007Distribution System (DS)
Distribution System
Multiple Sources (MX)STK-D-012Distribution System (DS)
Distribution System
Multiple Sources (MX)STK-D-026Distribution System (DS)
Distribution System
Multiple Sources (MX)STK-D-032Distribution System (DS)
Distribution System
Multiple Sources (MX)STK-D-038Distribution System (DS)
Distribution System
Multiple Sources (MX)STK-D-041Distribution System (DS)
Distribution System
Multiple Sources (MX)STK-BL-W-SEWDDistribution System (DS)
Well 85-01
Ground Water (GW)STK-W-085-01-CLEntry Point to the Distribution System (EP)
STK-D-005 (4423 Yacht Harbor)
Multiple Sources (MX)STK-D-005 DSMRT Well 61-01, 66, SEWD-BLMaximum Residence Time (MR)
Distribution System - Sutter
Ground Water (GW)STK-D-003 Sutter DSMRT Wells 7-02, 21-01, 21-02Maximum Residence Time (MR)
Distribution System - Euclid
Ground Water (GW)STK-D-015 Euclid DSMRT For Well 18-01Maximum Residence Time (MR)
STK-D-025 (1241 N. Stockton St.)
Multiple Sources (MX)STK-D-025 DSMRT 16,35,60,62,69-1,85, WS-001Maximum Residence Time (MR)
EP- #121 WELL 69-01 - TREATED
Ground Water (GW)STK-W-069-01-CLEntry Point to the Distribution System (EP)
EP- #086 WELL 21-01 - TREATED
Ground Water (GW)STK-W-021-01-CLEntry Point to the Distribution System (EP)
Max residence time 2
Multiple Sources (MX)STK-D-037 185 Frank West CircleMaximum Residence Time (MR)
WELL 01-23 - STANDBY
Ground Water (GW)WELL 01-23 - STANDB 01N/06E-12C11SR (SR)
WELL 01-24 - STANDBY
Ground Water (GW)WELL 01-24 - STANDB 01N/06E-12C09SR (SR)
WELL 04-02
Ground Water (GW)WELL 04-02 02N/06E-34K02SR (SR)
WELL 07-02
Ground Water (GW)WELL 07-02 02N/06E-36N03SR (SR)
WELL 16-01
Ground Water (GW)WELL 16-01 02N/06E-36A01Entry Point to the Distribution System (EP)
WELL 18-01
Ground Water (GW)WELL 18-01 02N/06E-34C01SR (SR)
WELL 19-01
Ground Water (GW)WELL 19-01 01N/06E-12K03SR (SR)
WELL 21-01
Ground Water (GW)WELL 21-01 02N/06E-36D01SR (SR)
WELL 34-01 - STANDBY
Ground Water (GW)WELL 34-01 - STANDB 01N/06E-12F01SR (SR)
WELL 35-01
Ground Water (GW)WELL 35-01 01N/07E-05A01SR (SR)
WELL 36-01
Ground Water (GW)WELL 36-01 02N/06E-27P01SR (SR)
WELL 39-01
Ground Water (GW)WELL 39-01 01N/06E-12A01SR (SR)
WELL 40-01 - STANDBY
Ground Water (GW)WELL 40-01 - STANDB 01N/06E-12G01SR (SR)
WELL 43-02
Ground Water (GW)WELL 43-02 01N/07E-18E03SR (SR)
WELL 44-01
Ground Water (GW)WELL 44-01 01N/07E-18L01SR (SR)
WELL 46-01
Ground Water (GW)WELL 46-01 01N/07E-18D01SR (SR)
WELL 47-01
Ground Water (GW)WELL 47-01 02N/06E-27L01SR (SR)
WELL 49-01
Ground Water (GW)WELL 49-01 02N/06E-33B01SR (SR)
WELL 51-01
Ground Water (GW)WELL 51-01 01N/07E-18B01SR (SR)
WELL 52-01
Ground Water (GW)WELL 52-01 01N/07E-08F02SR (SR)
WELL 59-01
Ground Water (GW)WELL 59-01 02N/06E-22Q01SR (SR)
WELL 60-01
Ground Water (GW)WELL 60-01 02N/06E-22Q02SR (SR)
WELL 61-01
Ground Water (GW)WELL 61-01 02N/06E-22G01SR (SR)
WELL 62-01
Ground Water (GW)WELL 62-01 01N/07E-08H02SR (SR)
WELL 63-01
Ground Water (GW)WELL 63-01 02N/06E-27B01SR (SR)
WELL 66-01
Ground Water (GW)WELL 66-01 02N/06E-27K01SR (SR)
WELL 66-02
Ground Water (GW)WELL 66-02 02N/06E-27K02SR (SR)
WELL 67-01
Ground Water (GW)WELL 67-01 01N/07E-08P01SR (SR)
WELL 68-01
Ground Water (GW)WELL 68-01 02N/06E-27H01SR (SR)
WELL 69-01
Ground Water (GW)WELL 69-01 01N/07E-17D01SR (SR)
WELL 69-02
Ground Water (GW)WELL 69-02 01N/07E-17D02SR (SR)
WELL 70-01
Ground Water (GW)WELL 70-01 01N/07E-16M01SR (SR)
WELL 71-01
Ground Water (GW)WELL 71-01 02N/06E-26L01SR (SR)
WELL 75-01
Ground Water (GW)WELL 75-01 02N/06E-36G01SR (SR)
WELL 76-01
Ground Water (GW)WELL 76-01 02N/06E-22G02SR (SR)
WELL 77-01
Ground Water (GW)WELL 77-01 02N/06E-35B01SR (SR)
WELL 78-01
Ground Water (GW)WELL 78-01 02N/06E-36F01SR (SR)
WELL 79-01
Ground Water (GW)WELL 79-01 02N/07E-30K01SR (SR)
WELL 07-02 TREATED
Ground Water (GW)WELL 07-02 TREATED J39/001-07-02Entry Point to the Distribution System (EP)
WELL 49-01 - TREATED
Ground Water (GW)WELL 49-01 - TREATE J39/001-49-01Entry Point to the Distribution System (EP)
WELL 77-01 - TREATED
Ground Water (GW)WELL 77-01 - TREATE J39/001-77-01Entry Point to the Distribution System (EP)
The latest water samples were taken on April 15th, 2025.