Contaminant 2031
Unresolved Nitrate/Nitrite violation cited in 2025 (contaminant 2031).
PWSID PA6370016 · GroundwaterPrivate
55 people served. No health-based SDWIS violations recorded in the past 5 years. 8 remain unresolved. Last cited 1 year ago.
Unresolved Nitrate/Nitrite violation cited in 2025 (contaminant 2031).
Unresolved Nitrate/Nitrite violation cited in 2025 (contaminant 2040).
Unresolved Nitrate/Nitrite violation cited in 2025 (contaminant 2041).
Unresolved Nitrate/Nitrite violation cited in 2025 (alachlor).
Health-based violations exceed an MCL or treatment-technique standard. Monitoring violations are reporting failures with no measured exceedance — they tell you the system isn't fully transparent, not that the water is unsafe today.
Failure to monitor as scheduled; returned to compliance
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Failure to monitor as scheduled; returned to compliance
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Failure to monitor as scheduled; returned to compliance
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Failure to monitor as scheduled; returned to compliance
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Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
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Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
New Castle, Pennsylvania (Census place; block-group disparity scores aggregated by centroid containment): a service population of 21,863. Local disparity score for pm2.5 (fine particulate) sits below the reference (80). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 80 | below the reference |
| Ozone | 102 | near the reference |
| Nitrogen dioxide (NO₂) | 87 | below the reference |
| Diesel particulate | 67 | below the reference |
| Toxic releases (RSEI) | 147 | moderately above the reference |
| Traffic proximity | 55 | below the reference |
| Lead-paint risk (pre-1960 housing) | 147 | moderately above the reference |
| Superfund site proximity | 0 | well below the reference |
| RMP-facility proximity | 75 | below the reference |
| Hazardous-waste site proximity | 92 | near the reference |
| Underground storage tanks | 114 | moderately above the reference |
| NPDES wastewater proximity | 111 | moderately above the reference |
| Drinking-water non-compliance | 0 | well below the reference |
Source: Census ACS 2018-2022 (5-year) + USEPA-clone EJ blockgroup stats (raw indicators + EJ disparity mirror).
Source. EPA Safe Drinking Water Information System · retrieved 2026-05-07. Reporting period 2022-01-01 → 2026-05-07.
What this is not. SDWIS records compliance against federal MCLs — not a direct readout of tap-water concentrations. Active health-based violations are not the same as a current crisis; we link to the EPA record so you can verify return-to-compliance status before forming a conclusion.