Pennsylvania Water Alerts — 3 Active Issues
Data source: NWS, EPA SDWIS Last verified: 2026-04-30
3 active water-related issues in Pennsylvania. Last updated: 2026-04-30.
Weather & Safety Alerts (3)
Active alerts from the National Weather Service that may affect water safety:
Frost Advisory — Minor
Areas: Warren; McKean; Potter; Elk; Cameron; Clearfield; Cambria; Somerset
Frost Advisory issued April 30 at 1:42AM EDT until May 1 at 8:00AM EDT by NWS State College PA
Expires: April 30, 2026
Frost Advisory — Minor
Areas: Southern Erie; Crawford
Frost Advisory issued April 30 at 1:18AM EDT until May 1 at 9:00AM EDT by NWS Cleveland OH
Expires: April 30, 2026
Frost Advisory — Minor
Areas: Mercer; Venango; Forest; Lawrence; Butler; Clarion; Jefferson; Armstrong; Westmoreland; Westmoreland Ridges; Fayette; Fayette Ridges; Indiana; Higher Elevations of Indiana; Ridges of Eastern Monong...
Frost Advisory issued April 30 at 1:06AM EDT until May 1 at 9:00AM EDT by NWS Pittsburgh PA
Expires: April 30, 2026
High-Risk Areas (Forecast)
ZIP codes in Pennsylvania with the highest probability of future violations:
| ZIP | City | 2-Year Probability | Trend |
|---|---|---|---|
| 15001 | Aliquippa | 95% | increasing |
| 15003 | Ambridge | 95% | increasing |
| 15009 | Beaver | 95% | increasing |
| 15010 | Beaver Falls | 95% | increasing |
| 15012 | Belle Vernon | 95% | increasing |
| 15022 | Charleroi | 95% | increasing |
| 15024 | Cheswick | 95% | increasing |
| 15026 | Clinton | 95% | declining |
| 15027 | Conway | 95% | declining |
| 15030 | Creighton | 95% | increasing |
Sources
- Weather alerts: National Weather Service
- Violations & enforcement: EPA SDWIS
- Compliance forecasts: ZipCheckup analysis
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