Cedartown, GA rainwater: 41,990 gallons off a roof
Rainwater from a roof in Cedartown, GA
41,990gallons a year
That is a 1,500 sq ft asphalt roof under Cedartown, GA's normal 52.8 inches of rain, about 795 gallons for every inch that falls.
In Cedartown, 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 Cedartown station (2.6 mi away). Cedartown, GA ranks 51st wettest of the 101 cities covered in Georgia.
Month by month in Cedartown
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 4.90 | 3,895 | |
| Feb | 5.10 | 4,054 | |
| Mar | 5.27 | 4,189 | |
| Apr | 4.43 | 3,521 | |
| May | 4.02 | 3,195 | 41 |
| Jun | 3.91 | 3,108 | 55 |
| Jul | 4.93 | 3,918 | |
| Aug | 3.55 | 2,822 | 100 |
| Sep | 3.73 | 2,965 | 77 |
| Oct | 3.64 | 2,893 | 89 |
| Nov | 4.40 | 3,497 | |
| Dec | 4.95 | 3,934 |
Mar is the wettest month (5.27 in, 4,189 gal off the roof); Aug the driest (3.55 in). Garden shortfall is what a 200 sq ft vegetable bed needs beyond the rain that lands on it, April to October.
Barrel or cistern in Cedartown?
Best fit: one 55-gallon barrel, which delivers about 297 gallons to the garden in a normal year (82.1% 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 Cedartown's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 297 | 40,523 |
| 110 gal | 297 | 40,523 |
| 165 gal | 297 | 40,523 |
| 275 gal | 297 | 40,523 |
| 550 gal | 297 | 40,523 |
| 1,000 gal | 297 | 40,523 |
| 1,500 gal | 297 | 40,523 |
| 2,500 gal | 297 | 40,523 |
| 5,000 gal | 297 | 40,523 |
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