Ohio Water Alerts — 11 Active Issues
Data source: NWS, EPA SDWIS
11 active water-related issues in Ohio. Last updated: 2026-08-11.
Weather & Safety Alerts (11)
Active alerts from the National Weather Service that may affect water safety:
Severe Thunderstorm Watch — Severe
Areas: Fayette, IN; Franklin, IN; Union, IN; Wayne, IN; Auglaize, OH; Butler, OH; Champaign, OH; Clark, OH; Clinton, OH; Darke, OH; Delaware, OH; Fairfield, OH; Fayette, OH; Franklin, OH; Greene, OH; Hard...
Severe Thunderstorm Watch issued August 11 at 2:39PM EDT until August 11 at 8:00PM EDT by NWS Wilmington OH
Expires: August 12, 2026
Severe Thunderstorm Watch — Severe
Areas: Dearborn, IN; Ohio, IN; Ripley, IN; Switzerland, IN; Boone, KY; Bracken, KY; Campbell, KY; Carroll, KY; Gallatin, KY; Grant, KY; Kenton, KY; Lewis, KY; Mason, KY; Owen, KY; Pendleton, KY; Robertson...
Severe Thunderstorm Watch issued August 11 at 2:39PM EDT until August 11 at 8:00PM EDT by NWS Wilmington OH
Expires: August 12, 2026
Flood Watch — Severe
Areas: Wayne; Fayette; Union; Franklin; Ripley; Dearborn; Ohio; Switzerland; Carroll; Gallatin; Boone; Kenton; Campbell; Owen; Grant; Pendleton; Bracken; Robertson; Mason; Lewis; Hardin; Mercer; Auglaize;...
Flood Watch issued August 11 at 12:05PM EDT until August 12 at 8:00AM EDT by NWS Wilmington OH
Expires: August 12, 2026
Severe Thunderstorm Watch — Severe
Areas: Carter, KY; Greenup, KY; Jackson, OH; Vinton, OH
Severe Thunderstorm Watch issued August 11 at 2:54PM EDT until August 11 at 8:00PM EDT by NWS Charleston WV
Expires: August 12, 2026
Flood Watch — Severe
Areas: Greenup; Carter; Boyd; Lawrence; Perry; Morgan; Athens; Washington; Jackson; Vinton; Meigs; Gallia; Lawrence; Dickenson; Buchanan; Wayne; Cabell; Mason; Jackson; Wood; Pleasants; Tyler; Lincoln; Pu...
Flood Watch issued August 11 at 1:47PM EDT until August 14 at 8:00AM EDT by NWS Charleston WV
Expires: August 12, 2026
Flood Warning — Severe
Areas: Coshocton, OH; Guernsey, OH; Muskingum, OH; Noble, OH
Flood Warning issued August 11 at 2:03PM EDT until August 11 at 9:00PM EDT by NWS Pittsburgh PA
Expires: August 12, 2026
Flood Watch — Severe
Areas: Tuscarawas; Coshocton; Muskingum; Guernsey; Noble; Monroe; Wetzel; Marion; Monongalia; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern Tucker
Flood Watch issued August 11 at 1:40PM EDT until August 12 at 8:00AM EDT by NWS Pittsburgh PA
Expires: August 12, 2026
Severe Thunderstorm Watch — Severe
Areas: Crawford, OH; Hancock, OH; Knox, OH; Marion, OH; Morrow, OH; Wyandot, OH
Severe Thunderstorm Watch issued August 11 at 12:43PM EDT until August 11 at 8:00PM EDT by NWS Cleveland OH
Expires: August 12, 2026
Flood Warning — Severe
Areas: Morgan, OH; Washington, OH
Flood Warning issued August 11 at 12:41PM EDT until August 12 at 10:00PM EDT by NWS Charleston WV
Expires: August 12, 2026
Flood Warning — Severe
Areas: Morgan, OH
Flood Warning issued August 11 at 12:35PM EDT until August 12 at 4:00AM EDT by NWS Charleston WV
Expires: August 12, 2026
Flood Warning — Severe
Areas: Hocking, OH
Flood Warning issued August 11 at 12:35PM EDT until August 13 at 2:00AM EDT by NWS Wilmington OH
Expires: August 12, 2026
High-Risk Areas (Forecast)
ZIP codes in Ohio with the highest probability of future violations:
| ZIP | City | 2-Year Probability | Trend |
|---|---|---|---|
| 43001 | Alexandria | 95% | increasing |
| 43014 | Danville | 95% | increasing |
| 43015 | Delaware | 95% | increasing |
| 43022 | Gambier | 95% | increasing |
| 43023 | Granville | 95% | increasing |
| 43025 | Hebron | 95% | declining |
| 43028 | Howard | 95% | increasing |
| 43031 | Johnstown | 95% | increasing |
| 43035 | Lewis Center | 95% | increasing |
| 43050 | Mount Vernon | 95% | increasing |
Sources
- Weather alerts: National Weather Service
- Violations & enforcement: EPA SDWIS
- Compliance forecasts: ZipCheckup analysis
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