F0/100
Glen Rock Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,000 residents · Pennsylvania
What's In Glen Rock's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
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: August 1, 2025 – August 31, 2025Rule: Stage 1 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Violation related to Coliform (pre-2016 TCR)
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2025 – August 31, 2025Rule: Surface Water Treatment RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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
GLEN ROCK WATER AUTH
Population Served
2,000
Water Source
Purchased Surface Water
System ID
PA7670050
Frequently Asked Questions About Glen Rock Water
Is Glen Rock tap water safe to drink?
Glen Rock, Pennsylvania tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 155 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Glen Rock's water?
Of the 1 contaminants tested in Glen Rock's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Glen Rock have any water quality violations?
Yes, Glen Rock has 155 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, MON. 2 of these are health-based violations, which are the most serious category.
Do I need a water filter in Glen Rock?
Glen Rock water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Glen Rock's tap water come from?
Glen Rock's drinking water is sourced from purchased surface water and supplied by GLEN ROCK WATER AUTH. The system serves approximately 2,000 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Glen Rock'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. Glen Rock'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 Glen Rock's water compare to other cities in Pennsylvania?
Glen Rock's water quality score of 0/100 earns a grade of F, which is considered failing. 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 Glen Rock's water quality?
If you have concerns about Glen Rock'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 (GLEN ROCK WATER 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.