PlainWater
States → Minnesota

Ortonville

PWS ID: MN1060008 · Ortonville, Minnesota 56278

PFAS Detected

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

Population Served
2,021
Total Violations
38
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,081
County
Big Stone
School/Daycare
No
MCL Violations
0
Monitoring Violations
32
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 12 2021
Coliform (TCR) MR 10 2014
Revised Total Coliform Rule MON 6 2021
Total Haloacetic Acids (HAA5) MR 3 2021
TTHM MR 1 2021

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFHxS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 7/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 7/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFMPA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/9/2024 72.0000 µg/L 9 µg/L Detected
PFNA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 7/9/2024 <0.007 µg/L 0.007 µg/L Not Detected
8:2 FTS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 1/8/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFBA 1/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 1/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 1/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 1/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 1/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 1/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 1/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 1/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 1/8/2024 60.0000 µg/L 9 µg/L Detected
PFPeS 1/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 1/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 1/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 1/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 1/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 1/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 1/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 1/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 1/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 1/8/2024 <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.