Grindstone, PA: 31 Violations - Home Safety 73/100
1 ZIP code · 4 water systems · Updated
ZipCheckup grade for Grindstone: B.
This ZIP looks solid, with a few items worth a quick check.
Public water monitoring in Grindstone shows a safety record well above the PA median - health-based violations are isolated exceptions rather than recurring patterns, the city's systems have stayed compliant across recent reporting cycles, and no cluster of recurring exceedances appears in any single service area.
How Grindstone Compares
Data: EPA SDWIS
Grindstone Water: The Quick Version
- Your city's water systems recorded 31 violations in the past 5 years.
- Average lead level: 0.0022 mg/L.
- Homes built before 1986: 85% - older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
Water Systems Serving Grindstone
3 water utilities share the residential service territory in Grindstone, PA - out of 4 total systems in federal records.
- B
- B
- B
Overview
We track home safety data for 1 ZIP code in Grindstone, Pennsylvania (population ~2,521), covering 4 community water systems serving approximately 83,973 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Grindstone: B (73/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Grindstone water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0022 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Chlorite | Disinfection Byproducts | 22 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 6 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 6 | 1 |
| Consumer Confidence Report Rule | Reporting | 4 | 1 |
| Fecal Coliform | Microbiological | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 15442 | B | 31 | 0 | North Fayette Cnty Muni Authority |
All ZIP Codes in Grindstone
- 15442 [B] - 31 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Key Contaminants Detected in Grindstone
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Grindstone's Housing Stock?
With 85% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
The lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing - from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In Grindstone, where the median build year is 1900, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.
Over half of homes in Grindstone were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Grindstone: Remediation Cost in Perspective
For most Grindstone homeowners, estimated remediation represents a moderate equity share - manageable with planning.
Remediation costs are moderate relative to home values in Grindstone. The estimated $800–$2,600 range is manageable for most homeowners but still worth budgeting for. Home values are 54% below the Pennsylvania average.
Protecting Children from Lead in Grindstone
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Locally, 85% of Grindstone homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Grindstone
Historical NFIP data for Grindstone contains 6 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $4,055. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,600</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Grindstone, PA