South Granville Wtr&Sewer Authority, NC
Lead detected, under the action levels
Latest 90th-percentile lead: 3 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.
Who runs the water here
South Granville Wtr&Sewer Authority serves about 18,555 people through 5,454 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 Granville County, North Carolina. EPA system ID: NC0239107; phone on file: 919-575-3367. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
South Granville Wtr&Sewer Authority's lead record
That is up 3 ppb from 0 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for South Granville Wtr&Sewer Authority is 5 ppb across 11 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 5 ppb |
| 2019 | 2 ppb |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2017 | 0 (not detected) |
| 2016 | 0 (not detected) |
How South Granville Wtr&Sewer Authority compares
Of the 1,925 North Carolina systems with a lead result, the median latest reading is 0 ppb; 5 are over 15 ppb right now and 75 have gone over at some point. South Granville Wtr&Sewer Authority's 3 ppb sits at the 88th percentile in North Carolina and the 83rd nationally (higher means more lead).
Neighbouring systems
7 other systems share Granville County; 0 of them have a higher latest lead result than South Granville Wtr&Sewer Authority. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Oxford, City Of | 8,972 | 0 (not detected) |
| Stovall, Town Of | 450 | 0 (not detected) |
| Granville Family Park | 232 | 0 (not detected) |
| Lyon`S Mhp | 119 | 0.21 ppb |
| Ser J`S Country Living Mhp | 65 | 0 (not detected) |
| Mountain Creek Water System | 55 | 0 (not detected) |
| Granville Pines Mhp | 53 | 0 (not detected) |
Next steps for Butner, NC
Test your own tap with a certified lab first-draw sample; Butner, NC 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 South Granville Wtr&Sewer Authority 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Size matters more than most people expect: small vs large water systems.