Bainbridge, GA rainwater: 45,248 gallons off a roof
Bainbridge, GA: gallons off the roof each year
45,248gallons a year
That is a 1,500 sq ft asphalt roof under Bainbridge, GA's normal 56.9 inches of rain, about 795 gallons for every inch that falls.
In Bainbridge, GA a single barrel does most of the work. Storms come often enough that a small tank refills before it runs dry, and a bigger one would mostly sit full.
Rainfall: NOAA 1991-2020 climate normals, the Donalsonville 17.7 S station (19.3 mi away). Bainbridge, GA ranks 4th wettest of the 101 cities covered in Georgia.
Month by month in Bainbridge
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 4.81 | 3,823 | |
| Feb | 5.02 | 3,990 | |
| Mar | 5.22 | 4,149 | |
| Apr | 4.34 | 3,449 | 1 |
| May | 3.57 | 2,837 | 97 |
| Jun | 5.94 | 4,721 | |
| Jul | 5.77 | 4,586 | |
| Aug | 6.19 | 4,920 | |
| Sep | 4.80 | 3,815 | |
| Oct | 3.22 | 2,559 | 141 |
| Nov | 3.58 | 2,845 | |
| Dec | 4.47 | 3,553 |
Aug is the wettest month (6.19 in, 4,920 gal off the roof); Oct the driest (3.22 in). Garden shortfall is what a 200 sq ft vegetable bed needs beyond the rain that lands on it, April to October.
Which tank size is worth it in Bainbridge
Best fit: one 55-gallon barrel, which delivers about 205 gallons to the garden in a normal year (85.6% of its need).
Before you buy, a 55-gallon barrel with a downspout diverter is the whole job. Check that the overflow points away from your foundation, because most of Bainbridge's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 205 | 43,948 |
| 110 gal | 205 | 43,948 |
| 165 gal | 205 | 43,948 |
| 275 gal | 205 | 43,948 |
| 550 gal | 205 | 43,948 |
| 1,000 gal | 205 | 43,948 |
| 1,500 gal | 205 | 43,948 |
| 2,500 gal | 205 | 43,948 |
| 5,000 gal | 205 | 43,948 |
Simulated storm by storm through a normal year using the station's count of days with 0.1 in or more of rain each month.
Is rainwater collection legal in Georgia?
Legal. Outdoor irrigation use is unrestricted; indoor non-potable systems must follow Appendix I 'Rainwater Recycling Systems' of the Georgia amendments to the state plumbing code. No state storage cap; potable use depends on local rules.
Checked against the current source on 2026-11-06. Source