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States → Louisiana

GRAMERCY WATERWORKS

PWS ID: LA1093002 · GRAMERCY, Louisiana 70052

PFAS Detected

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

Population Served
2,860
Total Violations
233
Health-Based Violations
205
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,404
County
St. James Parish
School/Daycare
No
MCL Violations
191
Monitoring Violations
20
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 121 2025
Total Haloacetic Acids (HAA5) MCL 70 2025
CARBON, TOTAL TT 8 2006
Coliform (TCR) MR 6 1998
Surface Water Treatment Rule TT 6 2007
Revised Total Coliform Rule MON 4 2017
Interim Enhanced Surface Water Treatment Rule MR 4 2012
Chlorite MR 4 2008
TTHM MR 2 2015
Consumer Confidence Rule Other 2 2001

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 7/8/2024 9.9100 µg/L 9 µg/L Detected
11Cl-PF3OUdS 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/8/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 7/8/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/8/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/8/2024 <0.008 µg/L 0.008 µg/L Not Detected
8:2 FTS 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/8/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFMPA 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/8/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 4/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 4/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 4/8/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 4/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 4/8/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFBS 4/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 4/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/8/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 4/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/8/2024 <0.008 µg/L 0.008 µg/L Not Detected
9Cl-PF3ONS 4/8/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 4/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 4/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 4/8/2024 <0.005 µg/L 0.005 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.