PlainWater
States → South Dakota

TEA

PWS ID: SD4600409 · TEA, South Dakota 57064

PFAS Detected

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

Population Served
7,381
Total Violations
24
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,944
County
Lincoln
School/Daycare
No
MCL Violations
3
Monitoring Violations
14
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 4 1996
Coliform (TCR) MCL 3 1997
Revised Total Coliform Rule MON 3 2020
Chlorine MR 3 2020
Consumer Confidence Rule Other 2 2006
Coliform (TCR) MR 2 1996
Coliform (TCR) Other 1 1997
Gross Alpha, Excl. Radon and U MR 1 1976
Combined Radium (-226 and -228) MR 1 1976

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFHpS 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/15/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 4/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/15/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFPeS 4/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 4/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/15/2025 54.1000 µg/L 9 µg/L Detected
PFTA 4/15/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 4/15/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 4/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 4/15/2025 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 4/15/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 10/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 10/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 10/8/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 10/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 10/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 10/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 10/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 10/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 10/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 10/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 10/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 10/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 10/8/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 10/8/2025 55.9000 µg/L 9 µg/L Detected
9Cl-PF3ONS 10/8/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 10/8/2025 <0.008 µg/L 0.008 µg/L Not Detected
HFPO-DA 10/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 10/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 10/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 10/8/2025 <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.