Lovejoy, GA rainwater: 42,061 gallons off a roof
Lovejoy, GA: gallons off the roof each year
42,061gallons a year
That is a 1,500 sq ft asphalt roof under Lovejoy, GA's normal 52.9 inches of rain, about 795 gallons for every inch that falls.
In Lovejoy, 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 Jonesboro station (6.4 mi away). Lovejoy, GA ranks 50th wettest of the 101 cities covered in Georgia.
Month by month in Lovejoy
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 5.02 | 3,990 | |
| Feb | 4.86 | 3,863 | |
| Mar | 4.95 | 3,934 | |
| Apr | 4.19 | 3,330 | 20 |
| May | 3.47 | 2,758 | 110 |
| Jun | 4.59 | 3,648 | |
| Jul | 5.09 | 4,046 | |
| Aug | 4.42 | 3,513 | |
| Sep | 3.56 | 2,830 | 98 |
| Oct | 3.62 | 2,877 | 91 |
| Nov | 4.19 | 3,330 | |
| Dec | 4.96 | 3,942 |
Jul is the wettest month (5.09 in, 4,046 gal off the roof); May the driest (3.47 in). Garden shortfall is what a 200 sq ft vegetable bed needs beyond the rain that lands on it, April to October.
What size rain barrel for Lovejoy
Best fit: one 55-gallon barrel, which delivers about 263 gallons to the garden in a normal year (82.4% of its need).
If you buy one, a 55-gallon barrel with a downspout diverter is the whole job. Check that the overflow points away from your foundation, because most of Lovejoy's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 263 | 40,598 |
| 110 gal | 263 | 40,598 |
| 165 gal | 263 | 40,598 |
| 275 gal | 263 | 40,598 |
| 550 gal | 263 | 40,598 |
| 1,000 gal | 263 | 40,598 |
| 1,500 gal | 263 | 40,598 |
| 2,500 gal | 263 | 40,598 |
| 5,000 gal | 263 | 40,598 |
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