City of Davis is a large public water system in EPA region 9 that provides tap water for the 95616 zip codes. It has 55 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 11.43 µg/L. The maximum reported level of Manganese was 200 µg/L. There were 2 contamintants found in the City of Davis water supply at levels that were above the minimum reporting level.
Treatment Plant 2
Ground Water (GW)Well 24 (Post Chlorination)Entry Point to the Distribution System (EP)
WELL 01 NEW 08N/02E-10P03SR (SR)
Treatment Plant 3
Ground Water (GW)Well 27 (Post Chlorination)Entry Point to the Distribution System (EP)
Treatment Plant 4
Ground Water (GW)Well 31 (Post Chlorination)Entry Point to the Distribution System (EP)
WELL 07 08N/02E-10F01SR (SR)
Treatment Plant 5
Ground Water (GW)Well 32 (Post Chlorination)Entry Point to the Distribution System (EP)
Treatment Plant 6
Ground Water (GW)Well 33 (Post Chlorination)Entry Point to the Distribution System (EP)
WELL 11 08N/02E-10F02SR (SR)
Treatment Plant 7
Ground Water (GW)Well 34 (Post Chlorination)Entry Point to the Distribution System (EP)
WELL 12 08N/02E-09M01SR (SR)
Point of Entry (AM1)
Surface Water (SW)Shack (Post Chlorination)Entry Point to the Distribution System (EP)
WELL 13 08N/02E-10A02SR (SR)
Treatment Plant 9
Ground Water (GW)Well 26 (Post Chlorination)Entry Point to the Distribution System (EP)
WELL 22 08N/02E-11A01SR (SR)
Treatment Plant 1
Ground Water (GW)Well 11 (Post Chlorination)Entry Point to the Distribution System (EP)
Sampling Station 1
Multiple Sources (MX)Sampling Station 008Distribution System (DS)
WELL 14 08N/02E-10R01SR (SR)
Sampling Station 2
Multiple Sources (MX)Sampling Station 012Distribution System (DS)
WELL 15 08N/02E-02Q01SR (SR)
Sampling Station 3
Multiple Sources (MX)Sampling Station 017Distribution System (DS)
Sampling Station 4
Multiple Sources (MX)Sampling Station 022Distribution System (DS)
Sampling Station 5
Multiple Sources (MX)Sampling Station 024Distribution System (DS)
WELL 18 08N/02E-07R02SR (SR)
Sampling Station 6
Multiple Sources (MX)Sampling Station 026Distribution System (DS)
WELL 19 08N/02E-04K01SR (SR)
Sampling Station 7
Multiple Sources (MX)Sampling Station 027Distribution System (DS)
WELL 20 08N/02E-08P01SR (SR)
Sampling Station 8
Multiple Sources (MX)Sampling Statin 037Distribution System (DS)
WELL 21 08N/03E-07M02SR (SR)
Well 22
Ground Water (GW)Tulip LaneEntry Point to the Distribution System (EP)
Well 14
Ground Water (GW)Corp YardEntry Point to the Distribution System (EP)
Well 21
Ground Water (GW)Chiles RoadEntry Point to the Distribution System (EP)
Well 26
Ground Water (GW)Cowell BoulevardEntry Point to the Distribution System (EP)
Well 33
Ground Water (GW)E Covell BoulevardEntry Point to the Distribution System (EP)
Well 32
Ground Water (GW)3808 Chiles RoadEntry Point to the Distribution System (EP)
Well EM3
Ground Water (GW)Mace BoulevardEntry Point to the Distribution System (EP)
Well 20
Ground Water (GW)EvenstarEntry Point to the Distribution System (EP)
Well 30
Ground Water (GW)Lake BoulevardEntry Point to the Distribution System (EP)
Well 27
Ground Water (GW)Sycamore LaneEntry Point to the Distribution System (EP)
Well 7
Ground Water (GW)!!th StreetEntry Point to the Distribution System (EP)
Well 24
Ground Water (GW)Olive DriveEntry Point to the Distribution System (EP)
Distribution System
Ground Water (GW)DSMRT for Sample Station 23Maximum Residence Time (MR)
DSMRT for Sample Station 18Maximum Residence Time (MR)
Distribution System
Ground Water (GW)SS-012Maximum Residence Time (MR)
Distribution System
Ground Water (GW)SS-017Maximum Residence Time (MR)
SS001 (Arlington Boulevard - TREATED)
Ground Water (GW)Sampling Station 1Entry Point to the Distribution System (EP)
SS-013 (2432 Westernesse - TREATED)
Ground Water (GW)Sampling Station 13Entry Point to the Distribution System (EP)
SS-035 (Shasta Drive - TREATED)
Ground Water (GW)Sampling Station 35Entry Point to the Distribution System (EP)
SS-016 (301 Del Oro - TREATED)
Ground Water (GW)Sampling Station 16Entry Point to the Distribution System (EP)
SS-011 (615 11th St - TREATED)
Ground Water (GW)Sampling Station 11Entry Point to the Distribution System (EP)
SS-005 (909 5th Street - TREATED)
Ground Water (GW)Sampling Station 5Entry Point to the Distribution System (EP)
SS-007 (620 Pole Line Road - TREATED)
Ground Water (GW)Sampling Station 7Entry Point to the Distribution System (EP)
SS-010 (E. Covell & Alhambra - TREATED)
Ground Water (GW)Sampling Station 10Entry Point to the Distribution System (EP)
SS-009 (4501 Alhambra Drive - TREATED)
Ground Water (GW)Sampling Station 9Entry Point to the Distribution System (EP)
SS-003 (Galileo Court - TREATED)
Ground Water (GW)Sampling Station 3Entry Point to the Distribution System (EP)
SS-024 (Pioneer Park - TREATED)
Ground Water (GW)Sampling Station 24Entry Point to the Distribution System (EP)
SS-018 (Clarke Court - TREATED)
Ground Water (GW)Sampling Station 18Entry Point to the Distribution System (EP)
SS-023 (Red Bud Place - TREATED)
Ground Water (GW)Sampling Station 23Entry Point to the Distribution System (EP)
WELL 23
Ground Water (GW)WELL 23 08N/02E-10N01SR (SR)
WELL 24
Ground Water (GW)WELL 24 08N/02E-15A02SR (SR)
WELL 26
Ground Water (GW)WELL 26 08N/02E-11R01SR (SR)
WELL EM2
Ground Water (GW)WELL EM2 08N/03E-18F02SR (SR)
WELL EM3
Ground Water (GW)WELL EM3 5710001-023SR (SR)
WELL 25
Ground Water (GW)WELL 25 5710001-024SR (SR)
WELL 27
Ground Water (GW)WELL 27 5710001-025SR (SR)
WELL 28
Ground Water (GW)WELL 28 5710001-026SR (SR)
WELL 29
Ground Water (GW)WELL 29SR (SR)
WELL 30
Ground Water (GW)08N/02E/07A01SR (SR)
The latest water samples were taken on November 7th, 2024.