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States → Oklahoma

GROVE MUNICIPAL SERVICES AUTH.

PWS ID: OK1021614 · GROVE, Oklahoma 74344

Population Served
7,311
Total Violations
70
Health-Based Violations
30
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
6,498
County
Delaware
School/Daycare
No
MCL Violations
7
Monitoring Violations
21
Treatment Tech Violations
23

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule TT 19 2018
Coliform (TCR) MR 6 2015
Coliform (TCR) MCL 4 2007
Nitrate-Nitrite MR 4 2007
Interim Enhanced Surface Water Treatment Rule MR 4 2016
Surface Water Treatment Rule TT 4 2023
Total Haloacetic Acids (HAA5) MCL 3 2003
Surface Water Treatment Rule MR 2 1999
TTHM MR 2 2018
Consumer Confidence Rule Other 2 2021
Lead and Copper Rule MR 2 1994
Glyphosate MR 1 2011

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/5/2024 <9 µg/L 9 µg/L Not Detected
PFHpS 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/5/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/5/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 8/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
11Cl-PF3OUdS 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/5/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpA 4/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/1/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/1/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 4/1/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/1/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/1/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 4/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 4/1/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFDoA 4/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/1/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 4/1/2024 <9 µg/L 9 µg/L Not Detected
NEtFOSAA 4/1/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 4/1/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 4/1/2024 <0.004 µg/L 0.004 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.