City of Pomona Water Dept. is a large public water system in EPA region 9 that provides tap water for the 91709, 91710, 91767, 91768 zip codes. It has 52 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 14.2 µg/L. The maximum reported level of Manganese was 3 µg/L. There were 2 contamintants found in the City of Pomona Water Dept. water supply at levels that were above the minimum reporting level.
Reservoir 5
Multiple Sources (MX)R05-TEntry Point to the Distribution System (EP)
Reservoir 8
Multiple Sources (MX)R08Entry Point to the Distribution System (EP)
Reservoir 9
Multiple Sources (MX)R09Entry Point to the Distribution System (EP)
Reservoir 7- Distribution Water
Ground Water (GW)R07Entry Point to the Distribution System (EP)
Reservoir 10- Distribution Water
Multiple Sources (MX)R10Entry Point to the Distribution System (EP)
R02 Nitrate Blending Facility
Multiple Sources (MX)R02Entry Point to the Distribution System (EP)
Reservoir 6
Ground Water (GW)R06-EEntry Point to the Distribution System (EP)
Well 37 Plant Effluent
Ground Water (GW)W37-TEntry Point to the Distribution System (EP)
Well 27
Ground Water (GW)W27-TEntry Point to the Distribution System (EP)
Well 28
Ground Water (GW)W28-TEntry Point to the Distribution System (EP)
Stage 2 DBP Sites
Multiple Sources (MX)DBP2-DS11Distribution System (DS)
DBP2-DS14Distribution System (DS)
DBP2-DS19Distribution System (DS)
DBP2-DS23Distribution System (DS)
DBP2-R02Distribution System (DS)
DBP2-DBP13Distribution System (DS)
DBP2-DBP17Distribution System (DS)
DBP2-DBP18Distribution System (DS)
R09Maximum Residence Time (MR)
DBP17Maximum Residence Time (MR)
DS18Maximum Residence Time (MR)
Reservoir 13
Multiple Sources (MX)R13Entry Point to the Distribution System (EP)
Well 27
Ground Water (GW)W27Entry Point to the Distribution System (EP)
Well 28
Ground Water (GW)W28Entry Point to the Distribution System (EP)
Distribution System - GW
Ground Water (GW)DS13Maximum Residence Time (MR)
DS16Maximum Residence Time (MR)
DS22Maximum Residence Time (MR)
DS27Maximum Residence Time (MR)
Distribution Site #06
Ground Water (GW)DS-06Maximum Residence Time (MR)
Distribution Site #16
Ground Water (GW)DS-16Maximum Residence Time (MR)
Distribution Site #18
Multiple Sources (MX)DS-18Maximum Residence Time (MR)
Distribution Site #26
Multiple Sources (MX)DS-26Maximum Residence Time (MR)
Reservoir 9
Multiple Sources (MX)R09Maximum Residence Time (MR)
WELL 02
Ground Water (GW)WELL 02 01S/08W-28F01SR (SR)
WELL 03
Ground Water (GW)WELL 03 01S/08W-18J02SR (SR)
WELL 04
Ground Water (GW)WELL 04 01S/08W-28G01SR (SR)
WELL 06
Ground Water (GW)WELL 06 01S/08W-28E01SR (SR)
WELL 07 - INACTIVE
Ground Water (GW)WELL 07 - INACTIVE 01S/08W-17K02SR (SR)
WELL 10
Ground Water (GW)WELL 10 01S/08W-28G02SR (SR)
WELL 11
Ground Water (GW)WELL 11 01S/08W-28M01SR (SR)
WELL 12
Ground Water (GW)WELL 12 01S/08W-28M02SR (SR)
WELL 13
Ground Water (GW)WELL 13 01S/08W-09D01SR (SR)
WELL 14
Ground Water (GW)WELL 14 01S/08W-28N01SR (SR)
WELL 15
Ground Water (GW)WELL 15 01S/08W-28N02SR (SR)
WELL 16
Ground Water (GW)WELL 16 01S/08W-28F02SR (SR)
WELL 17
Ground Water (GW)WELL 17 01S/08W-28L01SR (SR)
WELL 18
Ground Water (GW)WELL 18 01S/08W-28M03SR (SR)
WELL 21
Ground Water (GW)WELL 21 01S/08W-31J01SR (SR)
WELL 23
Ground Water (GW)WELL 23 01S/08W-33D01SR (SR)
WELL 25
Ground Water (GW)WELL 25 01S/08W-33E01SR (SR)
WELL 26
Ground Water (GW)WELL 26 01S/08W-33C01SR (SR)
WELL 27
Ground Water (GW)WELL 27 01S/08W-15D01SR (SR)
WELL 28
Ground Water (GW)WELL 28 01S/08W-27H01SR (SR)
WELL 29
Ground Water (GW)WELL 29 02S/08W-04J01SR (SR)
WELL 30
Ground Water (GW)WELL 30 01S/08W-21R01SR (SR)
WELL T-01
Ground Water (GW)WELL T-01 01S/08W-03F02SR (SR)
WELL T-03
Ground Water (GW)WELL T-03 01S/08W-03F03SR (SR)
TUNNEL WELL 04
Ground Water (GW)TUNNEL WELL 04 01S/08W-03F05SR (SR)
TUNNEL WELL 02
Ground Water (GW)TUNNEL WELL 02 01S/08W-03F04SR (SR)
PEDLEY FILTRATION PLANT - RAW
Surface Water (SW)PEDLEY FILTRATION P 1910126-048SR (SR)
WELL 05B
Ground Water (GW)WELL 05B 1910126-049SR (SR)
WELL 08B - INACTIVE
Ground Water (GW)WELL 08B - INACTIVE 1910126-050SR (SR)
WELL 09B
Ground Water (GW)WELL 09B 1910126-051SR (SR)
WELL 34
Ground Water (GW)WELL 34 1910126-052SR (SR)
WELL 35
Ground Water (GW)WELL 35 1910126-053SR (SR)
The latest water samples were taken on May 15th, 2024.