Water Quality in GLEN ROCK, PA (17327)
EPA violation data for public water systems serving ZIP code 17327.
69
Total Violations
16
Health-Based
53
Monitoring / Reporting
69
Resolved
What does this mean?
69 of 69 violations have been resolved. 16 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 53 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (69 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 20, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 20, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 20, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 20, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 20, 2024 | Resolved | N/A |
Violation Timeline
2025(5)
Surface Water Treatment Rule
31
Chlorine
27
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2024(24)
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Public Notice
75
Public Notice
75
How Does This Compare?
GLEN ROCK (17327) has 69 recorded violations, including 16 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.