Sterling Ridge S/D, NC
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Who runs the water here
Sterling Ridge S/D serves about 104 people through 41 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Guilford County, North Carolina. EPA system ID: NC0241209. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
The highest 90th-percentile result EPA holds for Sterling Ridge S/D is 0 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
How Sterling Ridge S/D 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. Sterling Ridge S/D's reported as 0 (not detected) sits at the 23rd percentile in North Carolina and the 10th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Guilford County
79 other systems share Guilford County; 22 of them have a higher latest lead result than Sterling Ridge S/D. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Greensboro, City Of | 319,588 | 0 (not detected) |
| High Point, City Of | 118,662 | 0 (not detected) |
| Gibsonville, Town Of | 8,920 | 0 (not detected) |
| Jamestown, Town Of | 6,543 | 0 (not detected) |
| Stokesdale, Town Of | 2,252 | 0 (not detected) |
| Autumn Forest Mhp | 686 | 12 ppb |
| Quarterstone Farm/Country Xing | 683 | 0 (not detected) |
| Ridgewood S/D | 668 | 3.5 ppb |
| Arbor Run/Charles Place S/D | 576 | 2.7 ppb |
| Wilson Farms/Auburndale | 465 | 0 (not detected) |
Next steps for Mebane, NC
Look up your address in Sterling Ridge S/D's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Sterling Ridge S/D 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. A zero today does not rule out a jump later - the rules are tightening in 2027.