PlainWater

PRESQUE ISLE UTILITIES DISTRICT

PWS ID: ME0091310 · PRESQUE ISLE, Maine 04769

Population Served
6,128
Total Violations
42
Health-Based Violations
31
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,454
County
Aroostook
School/Daycare
No
MCL Violations
23
Monitoring Violations
10
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 19 2005
Surface Water Treatment Rule TT 8 1993
Coliform (TCR) MCL 4 1997
TTHM MR 4 2021
Total Haloacetic Acids (HAA5) MR 4 2021
Lead and Copper Rule MR 2 2016

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 90 samples detected PFAS.

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