Is Lemoyne, 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 ↓
31/100
waterverge.com Lemoyne, PA — Water Quality Report
Lemoyne's drinking water received a grade of F (31 out of 100), indicating failing water quality. The city's 6 water systems serve approximately 1,500 residents using groundwater.
Lead levels were measured at 58.5 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 480 violations on record, including 43 health-based violations. 27 remain unresolved.
What to know about Lemoyne's water
Lemoyne ranks #524 out of 560 cities in Pennsylvania for water quality, placing it among the lowest-rated in the state.
Lemoyne 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.
As a small community water system, Lemoyne may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 21 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Lemoyne, PA water safe to drink?
Lemoyne's drinking water has significant quality concerns based on EPA testing data. With a grade of F (31/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 6 water systems serve approximately 1,500 residents using groundwater (wells).
Recent water quality updates for Lemoyne
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Lemoyne's water quality assessment. Grade: F (31/100).
Contaminants: Groundwater Rule.
Contaminants: Groundwater Rule.
Contaminants: Groundwater Rule.
Federal disaster declaration (FEMA DR-3356). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4030). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Lemoyne's water supply.
Exceeds EPA action level. Lead service line replacement and point-of-use filtration recommended.
Violation history
Lemoyne's water system has 480 total violations on record, including 43 health-based violations. 27 remain unresolved. 21 violations were issued in the last 5 years.
Flood & environmental risk
Cumberland 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 Conodoguinet Creek Near Hogestown, Susquehanna River At Harrisburg, Paxton Creek Near Glenwood, Yellow Breeches Creek Near Camp Hill, Fishing Creek At Goldsboro.
Where does Lemoyne's water come from?
Lemoyne's drinking water comes from groundwater (wells), supplied by 6 water systems serving approximately 1,500 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Conodoguinet Creek Near Hogestown (river), Susquehanna River At Harrisburg (river), Paxton Creek Near Glenwood (river), Yellow Breeches Creek Near Camp Hill (river), Fishing Creek At Goldsboro (river).
What Lemoyne residents can do
Recommended: NSF 53-certified pitcher or under-sink filter. This addresses the specific contaminants found in Lemoyne'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.
Lemoyne'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 Lemoyne
Industrial polluters nearby
Reported releases to surface water by facilities near Lemoyne, ranked by pounds discharged annually.
Total reported releases to surface water: 1,315 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
CLEVELAND-CLIFFS STEELTON LLC STEELTON, PA17113 | Manganese compounds | 1,084 | 3.4 mi |
HIGHSPIRE TERMINALS - DE LLC/HIGHSPIRE TERMINAL MIDDLETOWN, PA17057 | Xylene (mixed isomers) | 179 | 5.9 mi |
DURA-BOND PIPE LLC STEELTON, PA17113 | Manganese | 49 | 5.6 mi |
SKYLINE STEEL LLC-CAMP HILL CAMP HILL, PA17011 | Lead | 3 | 3.0 mi |
MACK TRUCKS INC REMANUFACTURING CENTER MIDDLETOWN, PA17057 | Lead | 0 | 6.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Lemoyne
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- NAVY SHIPS PARTS CONTROL CENTER5.1 mi
Source: EPA Superfund National Priorities List
Drought conditions
D2 — severe droughtChester County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Cumberland 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 Lemoyne'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. | 58.5 | 15 | ppb | Inorganic | Over Limit |
Lead level trend (90th percentile)
See how Lemoyne compares by contaminant
Explore where Lemoyne ranks among all Pennsylvania cities for specific contaminants.
Water source & infrastructure
Where Lemoyne's water comes from
Lemoyne'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 private ownership and serves approximately 1,500 people through 6 water systems.
Water bodies near Lemoyne
Lemoyne is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Lemoyne
| System Name | PWSID | Population | Source |
|---|---|---|---|
| OAK KNOLL EST MHP | PA7220001 | 350 | GW |
| HERITAGE EST MOBILE HOMES | PA7360166 | 330 | GW |
| AVONWHEEL ESTATE MHP | PA1150004 | 300 | GW |
| PENN VALLEY VILLAGE | PA7360069 | 225 | GU |
| LOG CABIN COURT | PA7360004 | 175 | GW |
| VICTORIA MANOR EST | PA7360031 | 120 | GW |
How Lemoyne compares
Full Pennsylvania rankings →Lemoyne's score of 31/100 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 Lemoyne, PA
Learn more about your water
Guides and resources related to Lemoyne's water quality findings.
Explore water quality across Dauphin
Frequently asked questions
Is Lemoyne, PA tap water safe to drink?
Lemoyne's water quality earned a grade of F (31/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #524 out of 560 cities tested in Pennsylvania.
What contaminants are in Lemoyne's water?
Lead was measured at 58.5 ppb (90th percentile). 480 violations are on record.
How is Lemoyne'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 Lemoyne?
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 Lemoyne's water come from?
Lemoyne's water is sourced from Groundwater. The city has 6 water systems serving approximately 1,500 residents.
What health violations has Lemoyne's water system had?
Lemoyne has 43 health-based violations on record. The most recent violation was recorded in August 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 27 violations remain unresolved.
Is Lemoyne's groundwater at risk of contamination?
Lemoyne 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 480 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 Lemoyne's water compare to other cities?
Lemoyne ranks #524 out of 560 cities in Pennsylvania (better than 6% of state cities) and #15669 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.