Iowa Water Alerts — 2 Active Issues
Data source: NWS, EPA SDWIS
2 active water-related issues in Iowa. Last updated: 2026-08-11.
Weather & Safety Alerts (2)
Active alerts from the National Weather Service that may affect water safety:
Heat Advisory — Moderate
Areas: Keokuk; Washington; Louisa; Mercer
Heat Advisory issued August 11 at 11:29AM CDT until August 11 at 8:00PM CDT by NWS Quad Cities IA IL
Expires: August 12, 2026
Heat Advisory — Moderate
Areas: Jefferson; Henry; Des Moines; Van Buren; Lee; Henderson; Warren; Hancock; McDonough; Scotland; Clark
Heat Advisory issued August 11 at 11:29AM CDT until August 11 at 8:00PM CDT by NWS Quad Cities IA IL
Expires: August 12, 2026
High-Risk Areas (Forecast)
ZIP codes in Iowa with the highest probability of future violations:
| ZIP | City | 2-Year Probability | Trend |
|---|---|---|---|
| 50001 | Ackworth | 95% | increasing |
| 50002 | Adair | 95% | increasing |
| 50003 | Adel | 95% | increasing |
| 50007 | Alleman | 95% | increasing |
| 50009 | Altoona | 95% | increasing |
| 50010 | Ames | 95% | declining |
| 50014 | Ames | 95% | increasing |
| 50021 | Ankeny | 95% | increasing |
| 50023 | Ankeny | 95% | increasing |
| 50026 | Bagley | 95% | declining |
Sources
- Weather alerts: National Weather Service
- Violations & enforcement: EPA SDWIS
- Compliance forecasts: ZipCheckup analysis
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