Is Macungie, PA Tap Water Safe to Drink?
Graded B+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
80.2/100
Macungie, PA — Water Quality Report
Macungie's drinking water received a grade of B+ (80.2 out of 100), indicating good water quality. The city's 2 water systems serve approximately 3,107 residents using groundwater.
Lead levels were measured at 7.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 87 violations on record, including 1 health-based violation. 3 remain unresolved.
What to know about Macungie's water
Macungie ranks #85 out of 560 cities in Pennsylvania for water quality, placing it above average in the state.
Macungie 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.
While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.
As a small community water system, Macungie may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Macungie, PA water safe to drink?
Macungie's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (80.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,107 residents using groundwater (wells).
Recent water quality updates for Macungie
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Macungie's water quality assessment. Grade: B+ (80.2/100).
Contaminants: Revised Total Coliform Rule, Chlorine.
1 health-based. Contaminants: Public Notice, Groundwater Rule.
Contaminants: Groundwater Rule.
Federal disaster declaration (FEMA DR-3356). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3340). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Macungie's water supply.
Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Macungie's water system has 87 total violations on record, including 1 health-based violation. 3 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Lehigh County has experienced 8 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 Little Lehigh Creek Near Trexlertown, Spring Creek At Trexlertown, Little Lehigh Creek Near Allentown, Cedar Creek At Mouth Near Allentown, Little Lehigh Creek At Tenth St. Br. At Allentown.
Where does Macungie's water come from?
Macungie's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,107 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Little Lehigh Creek Near Trexlertown (river), Spring Creek At Trexlertown (river), Little Lehigh Creek Near Allentown (river), Cedar Creek At Mouth Near Allentown (river), Little Lehigh Creek At Tenth St. Br. At Allentown (river).
What Macungie residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Macungie'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.
Macungie'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 Macungie
Industrial polluters nearby
Reported releases to surface water by facilities near Macungie, ranked by pounds discharged annually.
Total reported releases to surface water: 246,050 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
GEO SPECIALTY CHEMICALS TRIMET PRODUCTS GROUP ALLENTOWN, PA18104 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 161,511 | 8.1 mi |
NESTLE PURINA PETCARE CO ALLENTOWN, PA18104 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 84,316 | 7.1 mi |
AMERICAN CRAFT BREWERY LLC BREINIGSVILLE, PA18031 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 218 | 5.8 mi |
BRIDESBURG FOUNDRY CO WHITEHALL, PA18052 | Copper | 6 | 9.5 mi |
AERC RECYCLING SOLUTIONS ALLENTOWN, PA18103 | Mercury | 0 | 5.3 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Macungie
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.
- RODALE MANUFACTURING CO INC3.4 mi
- BERKS SAND PIT5.2 mi
- CROSSLEY FARM6.6 mi
- NOVAK SANITARY LANDFILL8.1 mi
- BALLY GROUND WATER CONTAMINATION8.4 mi
Source: EPA Superfund National Priorities List
Drought conditions
D1 — moderate droughtLehigh County is currently in D1 (moderate 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
Lehigh County has experienced 8 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 Macungie'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. | 7.0 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 2.55 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 2.550 mg/L (1993)
EPA action level: 1.3 mg/L
See how Macungie compares by contaminant
Explore where Macungie ranks among all Pennsylvania cities for specific contaminants.
Water source & infrastructure
Where Macungie's water comes from
Macungie'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 3,107 people through 2 water systems.
Water bodies near Macungie
Macungie is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Macungie
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MACUNGIE BOROUGH AUTHORITY | PA3390033 | 3,039 | GW |
| VALLEY VIEW ESTATES | PA3390005 | 68 | GW |
How Macungie compares
Full Pennsylvania rankings →Macungie's score of 80.2/100 is above the average of 49/100 among major Pennsylvania cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Pennsylvania rankings →About Macungie, PA
Learn more about your water
Guides and resources related to Macungie's water quality findings.
Explore water quality across Lehigh
Frequently asked questions
Is Macungie, PA tap water safe to drink?
Macungie's water quality earned a grade of B+ (80.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #85 out of 560 cities tested in Pennsylvania.
What contaminants are in Macungie's water?
Lead was measured at 7.0 ppb (90th percentile). 87 violations are on record.
How is Macungie'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 Macungie?
While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Macungie's water come from?
Macungie's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,107 residents.
What health violations has Macungie's water system had?
Macungie has 1 health-based violation on record. The most recent violation was recorded in May 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
Is Macungie's groundwater at risk of contamination?
Macungie 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 87 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 Macungie's water compare to other cities?
Macungie ranks #85 out of 560 cities in Pennsylvania (better than 85% of state cities) and #7967 out of 15744 cities nationally (49th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.