WaterVerge

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 ↓

2K residents served 1 water system PWSID: PA5300015
Overall Score
79.4 / 100
Violations
13 active
Last Updated
May 2026
Source
Purchased surface water
#94 of 560 in Pennsylvania Top 53% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
79.4/100
waterverge.com
B 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.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

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.

Quality Breakdown

Water quality score

See methodology →
79.4 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
34.4/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
19/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Mount Morris, PA water safe to drink?

Concerns Identified

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).

13
Active Violations
1.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Mount Morris

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Mount Morris's water quality assessment. Grade: B (79.4/100).

Violation
2 drinking water violations recorded

Contaminants: Chlorine, Surface Water Treatment Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-3356). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA

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.

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

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.

MROtherMCL
Most recent violations:
May 2025 Chlorine Resolved
May 2025 Surface Water Treatment Rule Resolved
Jul 2023 Consumer Confidence Rule Open
May 2017 Public Notice Open
Feb 2017 Public Notice Open

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.

HURRICANE SANDY
Hurricane FEMA DR-3356
HURRICANE KATRINA
Hurricane FEMA DR-3235
TROPICAL DEPRESSION IVAN
Hurricane FEMA DR-1557

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

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Mount Morris's water.

Request your utility's CCR

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.

Monitor alerts during storms

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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

40
Total violations
19
Health-based
13
Active / unresolved
May 2025
Most recent violation
Compliance Record

Violations & advisories

40 Total
13 Active
19 Health-based
27 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
14
Public Notice Rule and Revised PN Rule
11
Stage 2 Disinfectants and Disinfection Byproducts Rule
6
Total Coliform Rule
5
Surface Water Treatment Rule
2
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
May 2017 Active
Public Notice
Other Violation 0
Feb 2017 Active
Public Notice
Other Violation 0
Nov 2016 Active
Public Notice
Other Violation 0
Aug 2016 Active
Public Notice
Other Violation 0
May 2016 Active
Public Notice
Other Violation 0
Feb 2016 Active
Public Notice
Other Violation 0
Aug 2011 Active
Public Notice
Other Violation 0
Aug 2008 Active
Public Notice
Other Violation 0
May 2008 Active
Public Notice
Other Violation 0
Feb 2008 Active
Public Notice
Other Violation 0
Nov 2007 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
May 2025 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved May 2025
May 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2025
Jan 2017 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2017
Oct 2016 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2016
Jul 2016 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2016
Apr 2016 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2016
Jan 2016 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2016
Showing 20 of 40 violations
Industrial pollution

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
FORT MARTIN POWER STATION
Electric Utilities · FIRSTENERGY CORP
MAIDSVILLE, WV26541
Nickel And Nickel Compounds3877.7 mi
LONGVIEW POWER
Electric Utilities · MOUNTAIN STATE ENERGY HOLDINGS LLC
MAIDSVILLE, WV26541
Zinc compounds497.2 mi
MORGANTOWN TECHNICAL SERVICES INC
Other · SWANSON INDUSTRIES INC
MOUNT MORRIS, PA15349
Ethylene glycol51.6 mi
CORESCO LLC MAIDSVILLE COMPLEX
Other · MEPCO HOLDINGS LLC
MAIDSVILLE, WV26541
Manganese compounds25.9 mi
ANDERSON FITTINGS
Fabricated Metals · BERKSHIRE HATHAWAY INC
BRAVE, PA15316
9.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

7
Declared disasters
Oct 2012
Most recent
Flood
Most common type

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.

Oct 2012
HURRICANE SANDY
Hurricane FEMA #3356
Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3235
Sep 2004
TROPICAL DEPRESSION IVAN
Hurricane FEMA #1557
Jul 1996
SEVERE STORMS, FLOODING, AND TORNADOES
Flood FEMA #1130
Jan 1996
SEVERE STORMS AND FLOODING
Flood FEMA #1093
Nov 1985
SEVERE STORMS & FLOODING
Flood FEMA #754

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 7.0 ppb from 1993 (8.0 ppb) to 1996 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,500
Water Systems
1
Water Source

Where Mount Morris's water comes from

Purchased Surface Water

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.

Local Hydrology

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.

Monongahela R
river
Deckers Creek
river
Dunkard Creek At Shannopin
river
Monongahela River Near Masontown
river
Monongahela River (Lower Pool) Near Masontown
river
Infrastructure

Water systems serving Mount Morris

System Name PWSID Population Source
MT MORRIS WATER & SEWAGE AUTH PA5300015 1,500 SWP
Regional Comparison

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.

Mount Morris (this city)
79.4
Bryn Mawr
34.2
Mcmurray
86.8
Greensburg
46.7
Pennsylvania avg
49
City Profile

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.

Economic Profile
$65,000
Median Income
$184,379
Median Home Value
$681/mo
Median Rent
2%
Unemployment
Community
46.5
Median Age
100
People / sq mi
14.8%
College Educated
68.5%
Homeownership
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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.