PlainWater
StatesIowa

RATHBUN REGIONAL WATER ASSN (RATHBUN)

PWS ID: IA0400900 · CENTERVILLE, Iowa 52544

Population Served
33,000
Total Violations
200
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
13,190
County
Decatur
School/Daycare
No
MCL Violations
0
Monitoring Violations
187
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Atrazine MR 10 2020
Lead and Copper Rule MR 7 1992
2,4-D MR 5 2020
Mercury MR 5 2001
Selenium MR 5 2001
Chromium MR 5 2001
Arsenic MR 5 2001
Barium MR 5 2001
Cadmium MR 5 2001
LASSO MR 4 2020
Di(2-ethylhexyl) adipate MR 4 2020
Pentachlorophenol MR 4 2020
Picloram MR 4 2020
Simazine MR 4 2020
Diquat MR 4 2020
Glyphosate MR 4 2020
Benzene MR 4 2020
p-Dichlorobenzene MR 4 2020
1,2-Dichloroethane MR 4 2020
cis-1,2-Dichloroethylene MR 4 2020
1,1-Dichloroethylene MR 4 2020
DICHLOROMETHANE MR 4 2020
Ethylbenzene MR 4 2020
CHLOROBENZENE MR 4 2020
Styrene MR 4 2020
Toluene MR 4 2020
Vinyl chloride MR 4 2020
Xylenes, Total MR 4 2020
Thallium, Total MR 4 2001
Coliform (TCR) MR 4 1999

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/14/2024 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 8/14/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/14/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/14/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/14/2024 <9 µg/L 9 µg/L Not Detected
PFBS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/14/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/14/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/14/2024 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 8/14/2024 <0.006 µg/L 0.006 µg/L Not Detected
6:2 FTS 6/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/12/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 6/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/12/2024 <0.005 µg/L 0.005 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.