Port Wentworth, GA
Lead detected, under the action levels
Latest 90th-percentile lead: 10 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Port Wentworth
Port Wentworth serves about 11,000 people through 4,814 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Chatham County, Georgia. EPA system ID: GA0510002; phone on file: 912-964-4379. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 8.3 ppb from 1.7 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Port Wentworth is 10 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 10 ppb |
| 2021 | 1.7 ppb |
| 2019 | 1.7 ppb |
| 2018 | 1.3 ppb |
| 2016 | 1.3 ppb |
How Port Wentworth compares
Of the 1,681 Georgia systems with a lead result, the median latest reading is 0.68 ppb; 15 are over 15 ppb right now and 131 have gone over at some point. Port Wentworth's 10 ppb sits at the 98th percentile in Georgia and the 97th nationally (higher means more lead).
Nearby utilities
79 other systems share Chatham County; 4 of them have a higher latest lead result than Port Wentworth. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Savannah-Main | 168,958 | 3.9 ppb |
| Pooler | 28,423 | 1.9 ppb |
| Savannah-Georgetown/Gateway | 14,589 | 2.4 ppb |
| Savannah-Wilmington Island | 13,526 | 4.1 ppb |
| Larchmont Estates Subdivision | 11,799 | 1.2 ppb |
| The Landings Subdivision | 11,058 | 2.7 ppb |
| Savannah-I & D | 10,500 | 6.4 ppb |
| Garden City | 9,000 | 5.4 ppb |
| Tybee Island | 8,047 | 1.5 ppb |
| Usa-Hunter Army Airfield - Main | 7,500 | 11 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Port Wentworth, GA may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Port Wentworth whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.