Awendaw Town Of (Sc1010504), SC
Lead detected, under the action levels
Latest 90th-percentile lead: 1.6 ppb (monitoring period 2024-2026). 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.
Who runs the water here
Awendaw Town Of (Sc1010504) serves about 713 people through 400 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Charleston County, South Carolina. EPA system ID: SC1010504; phone on file: 843-345-0910. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2023 (2.3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Awendaw Town Of (Sc1010504) is 3.6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.6 ppb |
| 2023 | 2.3 ppb |
| 2021 | 0.65 ppb |
| 2016 | 3.6 ppb |
How Awendaw Town Of (Sc1010504) compares
Of the 553 South Carolina systems with a lead result, the median latest reading is 0.73 ppb; 3 are over 15 ppb right now and 47 have gone over at some point. Awendaw Town Of (Sc1010504)'s 1.6 ppb sits at the 63rd percentile in South Carolina and the 65th nationally (higher means more lead).
Nearby utilities
14 other systems share Charleston County; 4 of them have a higher latest lead result than Awendaw Town Of (Sc1010504). If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Charleston Water System (Sc1010001) | 278,771 | 3.5 ppb |
| Mt Pleasant Waterworks (Sc1010002) | 91,500 | 1 ppb |
| St John'S Water (Sc1020002) | 22,592 | 2 ppb |
| Kiawah Island Utility (Sc1010008) | 9,550 | 1.1 ppb |
| Isle Of Palms W/S Comm (Sc1010004) | 9,530 | 0.49 ppb |
| Seabrook Island Town Of (1010009) | 5,939 | 4 ppb |
| Folly Beach City Of (1010005) | 5,086 | 0.93 ppb |
| Sullivans Island Town Of (1010003) | 2,521 | 0.59 ppb |
| Lincolnville Town Of (Sc1010007) | 1,980 | 0.14 ppb |
| Burbage Mhp (Sc1060063) | 171 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Awendaw, SC 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 Awendaw Town Of (Sc1010504) 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. Size matters more than most people expect: small vs large water systems.