PlainWater
StatesIowa

IOWA LAKES REGIONAL WATER

PWS ID: IA2100701 · SPENCER, Iowa 51301-0555

Population Served
6,755
Total Violations
26
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
2,541
County
Clay
School/Daycare
No
MCL Violations
4
Monitoring Violations
7
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 4 2003
Cadmium MR 1 1981
Mercury MR 1 1981
Arsenic MR 1 1981
Barium MR 1 1981
Selenium MR 1 1981
Fluoride MR 1 1981
Chromium MR 1 1981

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFOS 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 4/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 4/22/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 4/22/2024 <9 µg/L 9 µg/L Not Detected
PFDA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 10/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 10/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 10/7/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 10/7/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFBA 10/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 10/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 10/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 10/7/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFEESA 10/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 10/7/2024 <9 µg/L 9 µg/L Not Detected
PFPeA 10/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 10/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 10/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 10/7/2024 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 10/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 10/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 10/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 10/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 10/7/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 10/7/2024 <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.