PlainWater

BROOKINGS MUNICIPAL UTILITIES

PWS ID: SD4600071 · BROOKINGS, South Dakota 57006

PFAS Detected

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

Population Served
23,377
Total Violations
12
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
8,447
County
Brookings
School/Daycare
No
MCL Violations
3
Monitoring Violations
3
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 3 2020
Gross Alpha, Excl. Radon and U MR 2 1976
Consumer Confidence Rule Other 2 2003
Combined Radium (-226 and -228) MR 1 1976

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 6/3/2024 34.7000 µg/L 9 µg/L Detected
9Cl-PF3ONS 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/3/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 6/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 6/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 6/27/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 6/27/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 6/27/2024 23.2000 µg/L 9 µg/L Detected
PFMPA 6/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/27/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 6/27/2024 <0.007 µg/L 0.007 µg/L Not Detected
8:2 FTS 6/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/27/2024 <0.002 µg/L 0.002 µg/L Not Detected
4:2 FTS 6/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/27/2024 <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.