PlainWater

RAMSEY WATER COMPANY, INC.

PWS ID: IN5231005 · RAMSEY, Indiana 47166

PFAS Detected

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

Population Served
16,475
Total Violations
29
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
6,590
County
Harrison
School/Daycare
No
MCL Violations
8
Monitoring Violations
13
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 8 2011
TTHM MR 4 2006
Total Haloacetic Acids (HAA5) MR 4 2006
Coliform (TCR) MR 4 2011
Gross Alpha, Excl. Radon and U MR 1 1980

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
6:2 FTS 9/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 9/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 9/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/11/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/11/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/11/2024 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 9/11/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 9/11/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/11/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpA 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/11/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/11/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 9/11/2024 <9 µg/L 9 µg/L Not Detected
PFHxA 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/11/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/11/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/11/2024 0.0040 µg/L 0.004 µg/L Detected
PFDA 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 3/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 3/26/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 3/26/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFDoA 3/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 3/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 3/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 3/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 3/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 3/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 3/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 3/26/2024 <0.02 µg/L 0.02 µg/L Not Detected
11Cl-PF3OUdS 3/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 3/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 3/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 3/26/2024 <9 µg/L 9 µg/L Not Detected
PFEESA 3/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 3/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 3/26/2024 <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.