When connecting to the public sewer system, a subsidy is provided for construction work to store rainwater in septic tanks that are no longer needed.
Ibaraki Prefecture, Kitaibaraki City: Kitaibaraki City Subsidy for Converting Septic Tanks into Rainwater Storage Facilities
October 2, 2026
Summary
Kitaibaraki City provides a subsidy for construction to repurpose an unused septic tank as a rainwater storage facility after connecting to the public sewer system.
Key Information
| Location | Kitaibaraki City, Ibaraki |
|---|---|
| Opening Status | Open for Applications |
| Application Period | Apr 1, 2026 – TBD |
| Max Subsidy Amount | ¥150,000 |
| Subsidy Rate | 100% |
| Purpose | Capital investment / Environment / Crime prevention, disaster prevention, and BCP |
| Eligible Expenses | Construction costs |
| Eligible Applicants | Individuals |
| Implementing Agency | Kitaibaraki City |
| Official Page | https://www.city.kitaibaraki.lg.jp/docs/2025031400023/ |