Rocky River Plantation S/D, NC
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2025-2025). 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.
Rocky River Plantation S/D at a glance
Rocky River Plantation S/D serves about 300 people through 118 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Cabarrus County, North Carolina. EPA system ID: NC0113220; phone on file: 704-643-9866. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 2 ppb from 0 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Rocky River Plantation S/D is 2 ppb across 10 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2 ppb |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2017 | 0 (not detected) |
| 2016 | 0 (not detected) |
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. Rocky River Plantation S/D's 2 ppb sits at the 85th percentile in North Carolina and the 71st nationally (higher means more lead).
Other water systems in Cabarrus County
34 other systems share Cabarrus County; 5 of them have a higher latest lead result than Rocky River Plantation S/D. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Concord, City Of | 120,771 | 0 (not detected) |
| Harrisburg, Town Of | 20,549 | 0 (not detected) |
| Shiloh Church Road S/D | 3,102 | 0 (not detected) |
| Mount Pleasant, Town Of | 1,786 | 0 (not detected) |
| Whitehurst Mhp | 688 | 0 (not detected) |
| Zemosa Acres Water System | 650 | 0 (not detected) |
| Stallings Glen S/D | 544 | 0 (not detected) |
| Harbor Towne Water System | 536 | - |
| Silver Maples Estates Mhp | 463 | 0 (not detected) |
| Fieldstone/Cold Springs Dev | 424 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Charlotte, 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 Rocky River Plantation 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. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.