01The verdict: is Seven Fields water safe?
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).
3 unresolved violations on record
EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.
See what was cited ↓Lead is well under the limit
90th-percentile lead is 5.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.
See the trend ↓A flood-prone service area
6 federal disaster declarations on record. After severe weather, watch for boil-water advisories.
See the risk factors ↓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.
Seven Fields ranks #23 out of 559 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.
02What's in Seven Fields's water
Every contaminant flagged in Seven Fields, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.
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 |
Cities ranked by 90th-percentile lead PF PFAS in Pennsylvania
Cities ranked by compounds detected Cu Copper in Pennsylvania
Cities ranked by 90th-percentile copper
03Seven Fields's ten-year track record
Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 31 violations on record, including 6 health-based violations. 3 remain unresolved.
9 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.
5ppb(1996)
One sampling round on record — 33% of the 15ppb EPA action level. Sampled at higher-risk homes (90th percentile).
04Where Seven Fields's water comes from
Seven Fields's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Purchased Surface Water
Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.
Wholesale supplier
Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.
1 system
1 water system, operated under local government ownership.
3,100 people
Residents served across Seven Fields's service area.
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.
| System name | PWSID | Population | Source |
|---|---|---|---|
| SEVEN FIELDS BORO WATER DEPT | PA5100135 | 3,100 | Purchased Surface Water |
Water bodies near Seven Fields
As a surface-water system, these water bodies may directly influence Seven Fields's drinking water supply.
05Pressure on Seven Fields's watershed
Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.
Industrial discharge
5 facilities within 10 miles reported 4 lb released to surface water in the latest EPA Toxics Release Inventory. Proximity doesn't equal tap contamination — treatment and hydrology decide — but it's pressure on the watershed.
Flood & storm history
6 federal disaster declarations on record for Butler County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.
06How Seven Fields compares
Scores for nearby Pennsylvania cities on one line, with the average marked.
dashed line = Pennsylvania average (49/100)
Seven Fields scores 88.1/100 — above the Pennsylvania average of 49/100. It outscores 10 of 10 nearby cities. Full Pennsylvania rankings →
79.8 / 100FBryn Mawr, PA
34.2 / 100FPittsburgh, PA
44 / 100AMcmurray, PA
86.8 / 100DGreensburg, PA
46.7 / 100FHarrisburg, PA
35.6 / 100
Compare all cities in the county — grades, violations, and contaminant data side by side.→
07What to do at home
Steps matched to what testing actually found in Seven Fields's water — not generic advice.
A basic carbon filter still helps
Seven Fields's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.
Compare tested filters →Flush taps & check your service line
Lead leaches from pipes as water sits. Run cold water 30 seconds before drinking (especially mornings), and ask the utility whether your address still has a lead service line.
Lead risks explained →Watch for Seven Fields alerts
This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.
All water alerts →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 559 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 559 cities in Pennsylvania (better than 96% of state cities) and #3612 out of 15382 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.