Is Muncy, PA Tap Water Safe to Drink?
Graded F — but Lead was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
32/100
waterverge.com Muncy, PA — Water Quality Report
Muncy's drinking water received a grade of F (32 out of 100), indicating failing water quality. The city's 5 water systems serve approximately 5,760 residents using groundwater.
Lead levels were measured at 890.0 ppb (90th percentile), which exceeds the EPA action level of 15 ppb. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 910 violations on record, including 13 health-based violations. 155 remain unresolved.
What to know about Muncy's water
Muncy ranks #507 out of 560 cities in Pennsylvania for water quality, placing it among the lowest-rated in the state.
Muncy relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
Lead levels exceed the EPA action level of 15 ppb, which typically indicates aging lead service lines or lead solder in the distribution system. An NSF 53-certified filter is strongly recommended for drinking and cooking water.
The system has seen 306 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Muncy, PA water safe to drink?
Muncy's drinking water has significant quality concerns based on EPA testing data. With a grade of F (32/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 5 water systems serve approximately 5,760 residents using groundwater (wells).
Recent water quality updates for Muncy
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Muncy's water quality assessment. Grade: F (32/100).
Contaminants: Groundwater Rule.
Contaminants: Consumer Confidence Rule, Nitrite, Nitrate.
Contaminants: Chlorine, Groundwater Rule, Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-4292). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3356). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Muncy's water supply.
Exceeds EPA action level. Lead service line replacement and point-of-use filtration recommended.
Violation history
Muncy's water system has 910 total violations on record, including 13 health-based violations. 155 remain unresolved. 306 violations were issued in the last 5 years.
Flood & environmental risk
Lycoming County has experienced 10 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 Loyalsock Creek At Loyalsockville, Muncy Creek Near Muncy, West Branch Susquehanna River At Allenwood, Chillisquaque Creek At Washingtonville.
Where does Muncy's water come from?
Muncy's drinking water comes from groundwater (wells), supplied by 5 water systems serving approximately 5,760 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Loyalsock Creek At Loyalsockville (river), Muncy Creek Near Muncy (river), West Branch Susquehanna River At Allenwood (river), Chillisquaque Creek At Washingtonville (river).
What Muncy residents can do
Recommended: NSF 53-certified pitcher or under-sink filter. This addresses the specific contaminants found in Muncy'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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Muncy'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 Muncy
Industrial polluters nearby
Reported releases to surface water by facilities near Muncy, ranked by pounds discharged annually.
Total reported releases to surface water: 10 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
KOPPERS INC (SUSQUEHANNA) MONTGOMERY, PA17752 | Creosote | 10 | 2.7 mi |
STELLANT SYSTEMS LLC. WILLIAMSPORT, PA17701 | — | — | 9.7 mi |
CHAMPIONX-HUGHESVILLE HUGHESVILLE, PA17737 | — | — | 3.4 mi |
ST ENGINEERING HACKNEY INC MONTGOMERY, PA17752 | — | — | 3.3 mi |
CHEMCOAT INC MONTOURSVILLE, PA17754 | — | — | 8.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Lycoming County has experienced 10 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Muncy's water supply, we recommend the following filter types.
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. | 890.0 | 15 | ppb | Inorganic | Over Limit |
Lead level trend (90th percentile)
See how Muncy compares by contaminant
Explore where Muncy ranks among all Pennsylvania cities for specific contaminants.
Water source & infrastructure
Where Muncy's water comes from
Muncy's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 5,760 people through 5 water systems.
Water bodies near Muncy
Muncy is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Muncy
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MUNCY BOROUGH WATER COMPANY | PA4410165 | 2,900 | GW |
| MUNCY STATE CORRECTIONAL INST | PA4410176 | 2,050 | GU |
| HEATHERBROOKE ESTATES | PA4410005 | 410 | GW |
| ORCHARD MOBILE HOME PARK | PA4410027 | 325 | GW |
| A B C #2 MOBILE HOME PARK | PA4410010 | 75 | GW |
How Muncy compares
Full Pennsylvania rankings →Muncy's score of 32/100 is below the average of 49/100 among major Pennsylvania cities. It outscores 1 of 10 nearby cities. 9 of 10 nearby cities score higher.
Nearby cities
View Pennsylvania rankings →About Muncy, PA
Wikipedia →Muncy is a borough in Lycoming County, Pennsylvania, United States. The name Muncy comes from the Munsee Indians who lived in the area. The population was 2,442 at the 2020 census. It is part of the Williamsport, Pennsylvania, Metropolitan Statistical Area. Muncy is located on the West Branch Susquehanna River, just south of the confluence of Muncy Creek with the river. Currently the borough president is Scott Delany and the mayor is Craig Scruggs.
Learn more about your water
Guides and resources related to Muncy's water quality findings.
Explore water quality across Lycoming
Frequently asked questions
Is Muncy, PA tap water safe to drink?
Muncy's water quality earned a grade of F (32/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #507 out of 560 cities tested in Pennsylvania.
What contaminants are in Muncy's water?
Lead was measured at 890.0 ppb (90th percentile). 910 violations are on record.
How is Muncy'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 Muncy?
Yes — lead levels exceed the EPA action level of 15 ppb. We recommend an NSF 53-certified filter or reverse osmosis system. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Muncy's water come from?
Muncy's water is sourced from Groundwater. The city has 5 water systems serving approximately 5,760 residents.
What health violations has Muncy's water system had?
Muncy has 13 health-based violations on record. The most recent violation was recorded in November 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 155 violations remain unresolved.
Is Muncy's groundwater at risk of contamination?
Muncy uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 910 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Muncy's water compare to other cities?
Muncy ranks #507 out of 560 cities in Pennsylvania (better than 9% of state cities) and #15634 out of 15744 cities nationally (1th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.