F0/100
MYERSTOWN WATER AUTH — Water Quality Report 2026
Serving 9,500 people · Pennsylvania
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
PA7380025
Violations
125
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.67 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: April 11, 2025 – November 26, 2025Rule: Ground Water RuleEnforcement: 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: January 1, 2024 – March 31, 2024Rule: Stage 1 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: April 1, 2023 – June 30, 2023Rule: Stage 1 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: January 1, 2023 – March 31, 2023Rule: Stage 1 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
Frequently Asked Questions About MYERSTOWN WATER AUTH
Is MYERSTOWN WATER AUTH water safe to drink?
MYERSTOWN WATER AUTH water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 125 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MYERSTOWN WATER AUTH detected?
35 contaminants were tested in MYERSTOWN WATER AUTH's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MYERSTOWN WATER AUTH have any EPA violations?
Yes, MYERSTOWN WATER AUTH has 125 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MON.
How many people does MYERSTOWN WATER AUTH serve?
MYERSTOWN WATER AUTH serves approximately 9,500 people, Pennsylvania.
What type of water does MYERSTOWN WATER AUTH provide?
MYERSTOWN WATER AUTH sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is PA7380025.
How does MYERSTOWN WATER AUTH compare to other utilities in Pennsylvania?
MYERSTOWN WATER 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.