PlainWater
States09

Pauma

PWS ID: 090605012 · Pauma Valley, 09 92061

Population Served
5,700
Total Violations
313
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
80
School/Daycare
No
MCL Violations
1
Monitoring Violations
120
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 18 2011
Gross Alpha, Excl. Radon and U MR 9 2011
Combined Uranium MR 8 2011
Combined Radium (-226 and -228) MR 8 2011
Consumer Confidence Rule Other 4 2004
Nitrate MR 3 2005
Asbestos MR 2 1998
Endrin MR 2 1998
Carbofuran MR 2 1998
LASSO MR 2 1998
Pentachlorophenol MR 2 1998
1,2-DIBROMO-3-CHLOROPROPANE MR 2 1998
Atrazine MR 2 1998
ETHYLENE DIBROMIDE MR 2 1998
Arsenic MR 1 1998
Barium MR 1 1998
Cadmium MR 1 1998
Chromium MR 1 1998
CYANIDE MR 1 1998
Nitrite MR 1 1998
Toxaphene MR 1 1998
Endothall MR 1 1998
OXAMYL MR 1 1998
Simazine MR 1 1998
Di(2-ethylhexyl) phthalate MR 1 1998
Picloram MR 1 1998
Dinoseb MR 1 1998
2,4-D MR 1 1998
2,3,7,8-TCDD MR 1 1998
Heptachlor MR 1 1998

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFEESA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 6/5/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/5/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/5/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/5/2024 <9 µg/L 9 µg/L Not Detected
NFDHA 6/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/4/2024 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 6/4/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/4/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/4/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.