Sump Pump Test in Connecticut
In Connecticut, local sump pump deadlines run from Apr 5 to Apr 26, with a median around Apr 17 — a spread of weeks that a single statewide date would miss. Find your city below; each links to local freeze odds, a live 10-day outlook, and a checklist.
Notable cities
- Bridgeport — earliest deadline in the state
- Middletown — latest deadline in the state
- New Britain — near the state median
All Connecticut cities
| City | Local deadline | Median first 28°F | ||
|---|---|---|---|---|
| Bridgeport | Apr 5 | Nov 19 | View → | Checklist |
| Milford | Apr 5 | Nov 19 | View → | Checklist |
| Norwich | Apr 14 | Nov 5 | View → | Checklist |
| New Haven | Apr 17 | Nov 6 | View → | Checklist |
| Stamford | Apr 17 | Nov 2 | View → | Checklist |
| Hartford | Apr 17 | Nov 5 | View → | Checklist |
| Norwalk | Apr 17 | Nov 2 | View → | Checklist |
| New Britain | Apr 17 | Nov 5 | View → | Checklist |
| West Haven | Apr 17 | Nov 6 | View → | Checklist |
| Danbury | Apr 20 | Nov 1 | View → | Checklist |
| Bristol | Apr 25 | Oct 30 | View → | Checklist |
| Shelton | Apr 25 | Oct 30 | View → | Checklist |
| Waterbury | Apr 26 | Oct 30 | View → | Checklist |
| Meriden | Apr 26 | Oct 30 | View → | Checklist |
| Middletown | Apr 26 | Oct 30 | View → | Checklist |
Back to the national Sump Pump Test guide, or see the methodology.
Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 11, 2026.