Bostian Heights Wtr System, NC
Exceeded the action level in the past
Latest 90th-percentile lead: 3.4 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Bostian Heights Wtr System at a glance
Bostian Heights Wtr System serves about 112 people through 44 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Rowan County, North Carolina. EPA system ID: NC0180104; phone on file: 919-653-6999. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2021 (3.61 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Bostian Heights Wtr System is 1030 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3.4 ppb |
| 2021 | 3.61 ppb |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 1030 ppb over 15 |
Against other North Carolina systems
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. Bostian Heights Wtr System's 3.4 ppb sits at the 90th percentile in North Carolina and the 85th nationally (higher means more lead).
Nearby utilities
38 other systems share Rowan County; 8 of them have a higher latest lead result than Bostian Heights Wtr System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Kannapolis, City Of | 56,050 | 0 (not detected) |
| Salisbury-Rowan | 46,156 | 13 ppb |
| Landis, Town Of | 5,510 | 0 (not detected) |
| China Grove, Town Of | 4,895 | 15 ppb |
| East Spencer, Town Of | 1,550 | 0 (not detected) |
| Faith, Town Of | 1,316 | 0 (not detected) |
| Cleveland, Town Of | 872 | 3.8 ppb |
| Westwood Mhp & S/D | 638 | 0 (not detected) |
| Northeast Rowan County Water System | 471 | 0 (not detected) |
| Fisherman`S Cove Water System | 359 | 11.8 ppb |
Next steps for Cary, NC
Test your own tap with a certified lab first-draw sample; Cary, 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 Bostian Heights Wtr System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1420 ppb (copper action level 1,300 ppb).
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. Why an old exceedance still matters: over the limit before, under it now.