Is Mount Morris, PA Tap Water Safe to Drink?
Graded B, with 13 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
79.4/100
Mount Morris, PA — Water Quality Report
Mount Morris's drinking water received a grade of B (79.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,500 residents using purchased surface water.
Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 40 violations on record, including 19 health-based violations. 13 remain unresolved.
What to know about Mount Morris's water
Mount Morris ranks #94 out of 560 cities in Pennsylvania for water quality, placing it above average in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, Mount Morris may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Mount Morris, PA water safe to drink?
Mount Morris's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,500 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Mount Morris
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Mount Morris's water quality assessment. Grade: B (79.4/100).
Contaminants: Chlorine, Surface Water Treatment Rule.
Contaminants: Consumer Confidence Rule.
Contaminants: Public Notice.
Federal disaster declaration (FEMA DR-3356). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3235). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Mount Morris's water supply.
Well within EPA limits.
Violation history
Mount Morris's water system has 40 total violations on record, including 19 health-based violations. 13 remain unresolved. 3 violations were issued in the last 5 years.
Flood & environmental risk
Greene County has experienced 7 federally declared disasters since 1972. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Monongahela R, Deckers Creek, Dunkard Creek At Shannopin, Monongahela River Near Masontown, Monongahela River (Lower Pool) Near Masontown.
Where does Mount Morris's water come from?
Mount Morris's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,500 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Monongahela R (river), Deckers Creek (river), Dunkard Creek At Shannopin (river), Monongahela River Near Masontown (river), Monongahela River (Lower Pool) Near Masontown (river).
What Mount Morris residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Mount Morris's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Mount Morris's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Mount Morris
Industrial polluters nearby
Reported releases to surface water by facilities near Mount Morris, ranked by pounds discharged annually.
Total reported releases to surface water: 443 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
FORT MARTIN POWER STATION MAIDSVILLE, WV26541 | Nickel And Nickel Compounds | 387 | 7.7 mi |
LONGVIEW POWER MAIDSVILLE, WV26541 | Zinc compounds | 49 | 7.2 mi |
MORGANTOWN TECHNICAL SERVICES INC MOUNT MORRIS, PA15349 | Ethylene glycol | 5 | 1.6 mi |
CORESCO LLC MAIDSVILLE COMPLEX MAIDSVILLE, WV26541 | Manganese compounds | 2 | 5.9 mi |
ANDERSON FITTINGS BRAVE, PA15316 | — | — | 9.5 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Greene County has experienced 7 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Mount Morris compares by contaminant
Explore where Mount Morris ranks among all Pennsylvania cities for specific contaminants.
Water source & infrastructure
Where Mount Morris's water comes from
Mount Morris's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 1,500 people through 1 water system.
Water bodies near Mount Morris
Mount Morris is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Mount Morris
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MT MORRIS WATER & SEWAGE AUTH | PA5300015 | 1,500 | SWP |
How Mount Morris compares
Full Pennsylvania rankings →Mount Morris's score of 79.4/100 is above the average of 49/100 among major Pennsylvania cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Pennsylvania rankings →About Mount Morris, PA
Wikipedia →Mount Morris is an unincorporated community and census-designated place (CDP) in Greene County, Pennsylvania, United States. It is located in Perry Township, near I-79. As of the 2010 census, the population was 737.
Learn more about your water
Guides and resources related to Mount Morris's water quality findings.
Explore water quality across Greene
Frequently asked questions
Is Mount Morris, PA tap water safe to drink?
Mount Morris's water quality earned a grade of B (79.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #94 out of 560 cities tested in Pennsylvania.
What contaminants are in Mount Morris's water?
Lead was measured at 1.0 ppb (90th percentile). 40 violations are on record.
How is Mount Morris's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Mount Morris?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Mount Morris's water come from?
Mount Morris's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,500 residents.
What health violations has Mount Morris's water system had?
Mount Morris has 19 health-based violations on record. The most recent violation was recorded in May 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 13 violations remain unresolved.
How does Mount Morris's water compare to other cities?
Mount Morris ranks #94 out of 560 cities in Pennsylvania (better than 83% of state cities) and #8273 out of 15744 cities nationally (48th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Mount Morris's small water system affect quality?
Mount Morris's system serves approximately 1,500 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 40 violations on record.