PlainWater
States → Iowa

OSCEOLA RURAL WATER SYSTEM-NORTH

PWS ID: IA7227701 · MAY CITY, Iowa 51354

PFAS Detected

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

Population Served
7,002
Total Violations
12
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
2,801
County
Osceola
School/Daycare
No
MCL Violations
0
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 3 1993
Gross Alpha, Excl. Radon and U MR 1 1982

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 8/16/2023 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 8/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/16/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/16/2023 <0.006 µg/L 0.006 µg/L Not Detected
9Cl-PF3ONS 8/16/2023 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 8/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/16/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFHpA 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/16/2023 23.3000 µg/L 9 µg/L Detected
PFNA 8/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/16/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 8/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/7/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 3/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 3/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 3/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 3/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 3/7/2023 <0.007 µg/L 0.007 µg/L Not Detected
lithium 3/7/2023 23.0000 µg/L 9 µg/L Detected
PFTA 3/7/2023 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 3/7/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFOS 3/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 3/7/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 3/7/2023 <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.