C51/100
Presque Isle Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 6,128 residents · Maine
What's In Presque Isle's Tap Water?
39
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.50 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
PRESQUE ISLE UTILITIES DISTRICT
Population Served
6,128
Water Source
Groundwater Under Influence of Surface Water
System ID
ME0091310
Frequently Asked Questions About Presque Isle Water
Is Presque Isle tap water safe to drink?
Presque Isle, Maine tap water receives a grade of C (51/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 10 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Presque Isle's water?
Of the 39 contaminants tested in Presque Isle's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Presque Isle have any water quality violations?
Yes, Presque Isle has 10 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MCL, TT. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in Presque Isle?
Based on EPA data, using a water filter in Presque Isle is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Presque Isle's tap water come from?
Presque Isle's drinking water is sourced from groundwater under influence of surface water and supplied by PRESQUE ISLE UTILITIES DISTRICT. The system serves approximately 6,128 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Presque Isle's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Presque Isle's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Presque Isle's water compare to other cities in Maine?
Presque Isle's water quality score of 51/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Maine state page to see how all cities in the state compare.
What should I do if I'm concerned about Presque Isle's water quality?
If you have concerns about Presque Isle's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (PRESQUE ISLE UTILITIES DISTRICT) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.