Is Seven Fields, PA Tap Water Safe to Drink?
Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
88.1/100
Seven Fields, PA — Water Quality Report
Seven Fields's drinking water received a grade of A- (88.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,100 residents using purchased surface water.
Lead levels were measured at 5.0 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 31 violations on record, including 6 health-based violations. 3 remain unresolved.
What to know about Seven Fields's water
Seven Fields ranks #23 out of 560 cities in Pennsylvania for water quality, placing it one of the best 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, Seven Fields may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Seven Fields, PA water safe to drink?
Seven Fields's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,100 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Seven Fields
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Seven Fields's water quality assessment. Grade: A- (88.1/100).
Contaminants: Surface Water Treatment Rule, Revised Total Coliform Rule.
Contaminants: Chlorine.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
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 Seven Fields's water supply.
Well within EPA limits.
Violation history
Seven Fields's water system has 31 total violations on record, including 6 health-based violations. 3 remain unresolved.
Flood & environmental risk
Butler County has experienced 6 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 Ohio River At Sewickley, Ohio River (Lower Pool) At Sewickley.
Where does Seven Fields's water come from?
Seven Fields's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,100 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Ohio River At Sewickley (river), Ohio River (Lower Pool) At Sewickley (river).
What Seven Fields residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Seven Fields'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.
Seven Fields'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 Seven Fields
Industrial polluters nearby
Reported releases to surface water by facilities near Seven Fields, ranked by pounds discharged annually.
Total reported releases to surface water: 4 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
BERRY METAL CO HARMONY, PA16037 | Copper | 3 | 7.7 mi |
VORTEQ VALENCIA LLC VALENCIA, PA16059 | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 1 | 7.5 mi |
ALLEGHENY PETROLEUM PRODUCTS CO AMBRIDGE, PA15003 | — | — | 9.9 mi |
O'NEAL MANUFACTURING SERVICES AMBRIDGE, PA15003 | — | — | 9.7 mi |
ETC NORTHEAST FLD SVC LLC/PIKE COMP STA ROCHESTER, PA15074 | — | — | 7.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Butler County has experienced 6 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. | 5.0 | 15 | ppb | Inorganic | Safe |
Lead level (90th percentile)
Latest reading: 5.0 ppb (1996)
EPA action level: 15 ppb
See how Seven Fields compares by contaminant
Explore where Seven Fields ranks among all Pennsylvania cities for specific contaminants.
Water source & infrastructure
Where Seven Fields's water comes from
Seven Fields'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 3,100 people through 1 water system.
Water bodies near Seven Fields
Seven Fields is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Seven Fields
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SEVEN FIELDS BORO WATER DEPT | PA5100135 | 3,100 | SWP |
How Seven Fields compares
Full Pennsylvania rankings →Seven Fields's score of 88.1/100 is above the average of 49/100 among major Pennsylvania cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Pennsylvania rankings →About Seven Fields, PA
Learn more about your water
Guides and resources related to Seven Fields's water quality findings.
Explore water quality across Butler
Frequently asked questions
Is Seven Fields, PA tap water safe to drink?
Seven Fields's water quality earned a grade of A- (88.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #23 out of 560 cities tested in Pennsylvania.
What contaminants are in Seven Fields's water?
Lead was measured at 5.0 ppb (90th percentile). 31 violations are on record.
How is Seven Fields'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 Seven Fields?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Seven Fields's water come from?
Seven Fields's water is sourced from Purchased surface water. The city has 1 water system serving approximately 3,100 residents.
What health violations has Seven Fields's water system had?
Seven Fields has 6 health-based violations on record. The most recent violation was recorded in November 2017. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
How does Seven Fields's water compare to other cities?
Seven Fields ranks #23 out of 560 cities in Pennsylvania (better than 96% of state cities) and #3635 out of 15744 cities nationally (77th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Seven Fields's small water system affect quality?
Seven Fields's system serves approximately 3,100 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 31 violations on record.