San Gabriel Valley Water Co. - Fontana is a large public water system in EPA region 9 that provides tap water for the 92335 - 92337 zip codes. It has 64 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.
The maximum reported level of 1-butanol was 8.9 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 19.8 µg/L. The maximum reported level of Manganese was 3.4 µg/L. There were 3 contamintants found in the San Gabriel Valley Water Co. - Fontana water supply at levels that were above the minimum reporting level.
Reservoir F-10
Ground Water (GW)Reservoir F-10 EffluentEntry Point to the Distribution System (EP)
Reservoir F-23
Ground Water (GW)Reservoir F-23 EffluentEntry Point to the Distribution System (EP)
Reservoir F-15
Ground Water (GW)Reservoir F-15 EffluentEntry Point to the Distribution System (EP)
Reservoir F-7
Ground Water (GW)Reservoir F-7 EffluentEntry Point to the Distribution System (EP)
Reservoir F-13
Ground Water (Under Direct Influence of Surface Water) (GU)Reservoir F-13 EffluentEntry Point to the Distribution System (EP)
Reservoir F-17
Ground Water (GW)Reservoir F-17 EffluentEntry Point to the Distribution System (EP)
Reservoir F-19
Ground Water (GW)Reservoir F-19 EffluentEntry Point to the Distribution System (EP)
Reservoir F-44
Ground Water (GW)Reservoir F-44 EffluentEntry Point to the Distribution System (EP)
Reservoir F-21
Ground Water (GW)Reservoir F-21 EffluentEntry Point to the Distribution System (EP)
Reservoir F-31
Ground Water (GW)Reservoir F-31 EffluentEntry Point to the Distribution System (EP)
Reservoir F-53
Ground Water (Under Direct Influence of Surface Water) (GU)Reservoir F-53 EffluentEntry Point to the Distribution System (EP)
Distribution System
Multiple Sources (MX)8566 PecanDistribution System (DS)
11815 OverlandDistribution System (DS)
15072 SnapdragonDistribution System (DS)
16779 SpringDistribution System (DS)
17876 TaylorDistribution System (DS)
18215 GroveDistribution System (DS)
5445 BuckskinDistribution System (DS)
10795 BennettDistribution System (DS)
Well F-26
Ground Water (GW)Well F-26AEntry Point to the Distribution System (EP)
Well F-31A
Ground Water (GW)Well F-31A TreatedEntry Point to the Distribution System (EP)
Well F-13A
Ground Water (GW)Well F-13A TreatedEntry Point to the Distribution System (EP)
Well F-21A
Ground Water (GW)Well F-21A TreatedEntry Point to the Distribution System (EP)
Reservoir F-2
Multiple Sources (MX)Reservoir F-2 TreatedEntry Point to the Distribution System (EP)
Distribution System - MX
Multiple Sources (MX)5445 Buckskin Dr.Maximum Residence Time (MR)
15072 Snapdragon Dr.Maximum Residence Time (MR)
16779 Spring St.Maximum Residence Time (MR)
11815 OverlandMaximum Residence Time (MR)
Distribution System - GW
Ground Water (GW)10795 Bennett Dr.Maximum Residence Time (MR)
17876 TaylorMaximum Residence Time (MR)
EP- #062 WELL F-26A - TREATED
Ground Water (GW)Well F26AEntry Point to the Distribution System (EP)
EP- #061 WELL F-24A - TREATED
Ground Water (GW)Well F24AEntry Point to the Distribution System (EP)
EP- #059 WELL F-22A - TREATED
Ground Water (GW)Well F22AEntry Point to the Distribution System (EP)
EP- #051 WELL F37A - TREATED
Ground Water (GW)Well F37AEntry Point to the Distribution System (EP)
EP- #050 WELL F-35A - TREATED
Ground Water (GW)Well F35AEntry Point to the Distribution System (EP)
8666 Pecan
Multiple Sources (MX)PecanMaximum Residence Time (MR)
7190 Plumrose
Multiple Sources (MX)PlumroseMaximum Residence Time (MR)
18083 Taylor
Multiple Sources (MX)TaylorMaximum Residence Time (MR)
16650 San Bernardino
Multiple Sources (MX)OverlandMaximum Residence Time (MR)
11855 Overland
Multiple Sources (MX)OverlandMaximum Residence Time (MR)
SANDHILL - TREATED
Surface Water (SW)SANDHILL - TREATED 036/041-006SR (SR)
SANDHILL SURFACE - RAW
Surface Water (SW)SANDHILL SURFACE - M36/041-SAHELSR (SR)
WELL F-28A (03)
Ground Water (GW)WELL F-28A (03) 01N/05W-22F02SR (SR)
WELL F-29A (04)
Ground Water (GW)WELL F-29A (04) 01N/05W-22C02SR (SR)
WELL F-34A (08)
Ground Water (GW)WELL F-34A (08) 01N/05W-15Q02SR (SR)
WELL F-35A (11)
Ground Water (GW)WELL F-35A (11) 01S/05W-07R01Entry Point to the Distribution System (EP)
WELL F-36A (13)
Ground Water (GW)WELL F-36A (13) 01N/05W-22A01SR (SR)
WELL F-37A (17)
Ground Water (GW)WELL F-37A (17) 01S/06W-11N01SR (SR)
WELL F-21A (18)
Ground Water (GW)WELL F-21A (18) 01S/06W-26C01SR (SR)
WELL F-40A (24)
Ground Water (GW)WELL F-40A (24) 01N/05W-22F03SR (SR)
WELL F-41A (25)
Ground Water (GW)WELL F-41A (25) 01N/05W-22F01SR (SR)
WELL F-42A (26)
Ground Water (GW)WELL F-42A (26) 01N/05W-07H01SR (SR)
WELL F-27A (27)
Ground Water (GW)WELL F-27A (27) 01N/05W-06G01SR (SR)
WELL F-30A (30)
Ground Water (GW)WELL F-30A (30) 01S/06W-11B01SR (SR)
F10 RESERVOIR EFFLUENT
Surface Water (SW)F10 RESERVOIR EFFLU 3610041-025SR (SR)
F-31A(31)
Ground Water (GW)F-31A(31) 01S/05W-06D02Entry Point to the Distribution System (EP)
WELL F-32A (32)
Ground Water (GW)WELL F-32A (32) 01N/05W-16K01SR (SR)
WELL F-33A (33)
Ground Water (GW)WELL F-33A (33) 01N/05W-06K02SR (SR)
WELL F-18A (34)
Ground Water (GW)WELL F-18A (34) 01S/05W-06J01SR (SR)
WELL F-13A (37)
Ground Water (GW)WELL F-13A (37) 01N/05W-29R01SR (SR)
WELL F-17B (39)
Ground Water (GW)WELL F-17B (39) 01S/06W-23D02SR (SR)
WELL F-07A
Ground Water (GW)WELL F-07A 01S/06W-10H02SR (SR)
WELL F-22A
Ground Water (GW)WELL F-22A 01S/06W-11P01SR (SR)
WELL F-04A
Ground Water (GW)WELL F-04A 3610041-036SR (SR)
WELL F-23A
Ground Water (GW)WELL F-23A 036/041-009SR (SR)
WELL F-24A
Ground Water (GW)WELL F-24A 3610041-038SR (SR)
WELL F-26A
Ground Water (GW)WELL F-26A 3610041-040SR (SR)
WELL F-02A
Ground Water (GW)WELL F-02A 3610041-041SR (SR)
WELL F-17C
Ground Water (GW)WELL F-17C 3610041-042SR (SR)
WELL F-10B
Ground Water (GW)WELL F-10B 3610041-043SR (SR)
WELL F10C
Ground Water (GW)WELL F10C 3610041-064SR (SR)
WELL F13B
Ground Water (GW)WELL F13B 3610041-045SR (SR)
WELL F15A
Ground Water (GW)WELL F15A 3610041-044SR (SR)
WELL F44A
Ground Water (GW)WELL F44ASR (SR)
WELL F49A
Ground Water (GW)WELL F49A 3610041-063SR (SR)
The latest water samples were taken on March 1st, 2024.