Estimate monthly precipitation with a 5-year return period for the proposed site to account for wetter than average years. Appendix B lists the monthly precipitation with a 5-year return period for 10 climatic divisions throughout Ohio.
| Month | Evaporation (inches/month) | Precipitation (inches/month) |
|---|---|---|
| Jan | 0.7 | 4.0 |
| Feb | 0.9 | 3.3 |
| Mar | 1.8 | 4.4 |
| Apr | 2.8 | 4.6 |
| May | 4.1 | 5.2 |
| Jun | 4.6 | 5.0 |
| Jul | 4.8 | 5.2 |
| Aug | 4.1 | 4.5 |
| Sep | 2.9 | 3.9 |
| Oct | 2.2 | 3.6 |
| Nov | 1.2 | 4.0 |
| Dec | 0.8 | 3.7 |
|
| Indian Springs Golf Course nears Mechanicsburg, Ohio, has reused treated wastewater from the clubhouse and restaurant on a portion of its driving range since 1991. Following treatment and disinfection through a package aerobic treatment plant, the wastewater is stored in one of five concrete tanks. Early each morning, the wastewater is distributed on the driving range through pop-up irrigation sprinklers. |