D27/100
Moon Township Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 38,000 residents · Pennsylvania
What's In Moon Township's Tap Water?
69
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.010 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: August 10, 2025 – October 17, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2025 – June 30, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2025 – June 30, 2025Rule: 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: January 1, 2024 – March 31, 2024Rule: 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
Water Utility Details
MOON TWP MUNI AUTH
Population Served
38,000
Water Source
Surface Water
System ID
PA5020011
Frequently Asked Questions About Moon Township Water
Is Moon Township tap water safe to drink?
Moon Township, Pennsylvania tap water receives a grade of D (27/100), which is considered poor. 1 contaminant(s) exceed EPA maximum contaminant levels and 58 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Moon Township's water?
Of the 69 contaminants tested in Moon Township's water supply, the most notable include PFOS, 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 Moon Township have any water quality violations?
Yes, Moon Township has 58 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MON, MCL. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Moon Township?
Based on EPA data, using a water filter in Moon Township 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 Moon Township's tap water come from?
Moon Township's drinking water is sourced from surface water and supplied by MOON TWP MUNI AUTH. The system serves approximately 38,000 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Moon Township'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. Moon Township'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 Moon Township's water compare to other cities in Pennsylvania?
Moon Township's water quality score of 27/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Pennsylvania state page to see how all cities in the state compare.
What should I do if I'm concerned about Moon Township's water quality?
If you have concerns about Moon Township'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 (MOON TWP MUNI AUTH) 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.