F0/100
MILL CREEK AREA MUN AUTH — Water Quality Report 2026
Serving 1,108 people · Pennsylvania
Water Source
Groundwater
County
—
System ID
PA4310050
Violations
150
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.46 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
3
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: July 1, 2023 – September 30, 2023Rule: 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: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Consumer Confidence Report
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2023 – May 31, 2023Rule: Consumer Confidence RuleEnforcement: 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
Frequently Asked Questions About MILL CREEK AREA MUN AUTH
Is MILL CREEK AREA MUN AUTH water safe to drink?
MILL CREEK AREA MUN AUTH water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 150 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MILL CREEK AREA MUN AUTH detected?
1 contaminants were tested in MILL CREEK AREA MUN AUTH's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MILL CREEK AREA MUN AUTH have any EPA violations?
Yes, MILL CREEK AREA MUN AUTH has 150 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other.
How many people does MILL CREEK AREA MUN AUTH serve?
MILL CREEK AREA MUN AUTH serves approximately 1,108 people, Pennsylvania.
What type of water does MILL CREEK AREA MUN AUTH provide?
MILL CREEK AREA MUN AUTH sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is PA4310050.
How does MILL CREEK AREA MUN AUTH compare to other utilities in Pennsylvania?
MILL CREEK AREA MUN AUTH scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Pennsylvania state page for a full comparison of water systems.