PlainWater
States → Iowa

AMES WATER TREATMENT PLANT

PWS ID: IA8503039 · AMES, Iowa 50010

PFAS Detected

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

Population Served
55,177
Total Violations
34
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
19,337
County
Story
School/Daycare
No
MCL Violations
0
Monitoring Violations
29
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 9 2004
TTHM MR 4 2013
Total Haloacetic Acids (HAA5) MR 4 2013
cis-1,2-Dichloroethylene MR 4 1994
Vinyl chloride MR 4 1995
Coliform (TCR) MR 3 1993
Revised Total Coliform Rule MON 1 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 56 samples detected PFAS.

Contaminant Date Result MRL Status
PFOS 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/24/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/24/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 6/24/2025 26.0000 µg/L 9 µg/L Detected
PFHpS 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/24/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/24/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/24/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/24/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/24/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 6/24/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 12/2/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 12/2/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 12/2/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 12/2/2024 24.0000 µg/L 9 µg/L Detected
PFTA 12/2/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 12/2/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 12/2/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 12/2/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 12/2/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 12/2/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 12/2/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 12/2/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 12/2/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 12/2/2024 <0.002 µg/L 0.002 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.