PlainWater
States → California

EASTERN MUNICIPAL WD

PWS ID: CA3310009 · PERRIS, California 92570

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
666,581
Total Violations
6
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
175,318
County
Riverside
School/Daycare
No
MCL Violations
0
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 2 2012
Nitrate Other 2 2010
Coliform (TCR) MR 2 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 9 of 1030 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 8/28/2023 <0.02 µg/L 0.02 µg/L Not Detected
11Cl-PF3OUdS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 8/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/28/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/28/2023 <0.004 µg/L 0.004 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.