Carroll Mhp 2 (Sc4660088), SC
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
Carroll Mhp 2 (Sc4660088) serves about 35 people through 23 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in York County, South Carolina. EPA system ID: SC4660088; phone on file: 803-328-9825. They can tell you what your service line is made of and whether they pay to replace it.
Carroll Mhp 2 (Sc4660088)'s lead record
That is down 2 ppb from 2 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Carroll Mhp 2 (Sc4660088) is 2 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 2 ppb |
| 2019 | 0 (not detected) |
How Carroll Mhp 2 (Sc4660088) 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. Carroll Mhp 2 (Sc4660088)'s reported as 0 (not detected) sits at the 1st percentile in South Carolina and the 1st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in York County
61 other systems share York County; 26 of them have a higher latest lead result than Carroll Mhp 2 (Sc4660088). If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Rock Hill City Of (Sc4610002) | 89,850 | 2 ppb |
| York County East Wd (Sc4620002) | 30,225 | 3 ppb |
| Fort Mill Town Of (Sc4610003) | 25,000 | 0 (not detected) |
| York County West Wd (Sc4620003) | 18,273 | 0 (not detected) |
| York City Of (Sc4610001) | 11,137 | 0 (not detected) |
| Tega Cay City Of (Sc4610008) | 10,500 | 0 (not detected) |
| Clover Town Of | 8,400 | 0 (not detected) |
| Riverview Rural Cws (Sc4620001) | 2,200 | 0 (not detected) |
| Hickory Grove Town Of (Sc4610004) | 654 | 2 ppb |
| Bgwc Foxwood (Sc4650008) | 575 | 0 (not detected) |
Your move
Look up your address in Carroll Mhp 2 (Sc4660088)'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 Carroll Mhp 2 (Sc4660088) 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. Small systems behave differently: why small systems go over more often.