Sunnyvale Mhp (Sc3260138), SC
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
About Sunnyvale Mhp (Sc3260138)
Sunnyvale Mhp (Sc3260138) serves about 65 people through 24 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Lexington County, South Carolina. EPA system ID: SC3260138; phone on file: 803-727-8959. They can tell you what your service line is made of and whether they pay to replace it.
Sunnyvale Mhp (Sc3260138)'s lead record
That is down 3 ppb from 3 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Sunnyvale Mhp (Sc3260138) is 3 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2021 | 3 ppb |
| 2018 | 0 (not detected) |
Where this result ranks
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. Sunnyvale Mhp (Sc3260138)'s reported as 0 (not detected) sits at the 7th percentile in South Carolina and the 6th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Lexington County
68 other systems share Lexington County; 37 of them have a higher latest lead result than Sunnyvale Mhp (Sc3260138). If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Joint Muni Wsc (Sc3220003) | 54,868 | 4 ppb |
| West Columbia City Of (Sc3210004) | 34,028 | 3 ppb |
| Lexington Town Of (3210001) | 24,284 | 4 ppb |
| Cayce City Of (Sc3210003) | 17,460 | 0 (not detected) |
| Gilbert-Summit Wd (3220001) | 10,400 | 2 ppb |
| Gaston Rural Water Dist (Sc3220002) | 7,550 | 5 ppb |
| Bgwc I-20 (Sc3250012) | 7,435 | 4.7 ppb |
| Batesburg Leesville Dpw (Sc3210002) | 6,814 | 0 (not detected) |
| Amicks Ferry Wtr System (Sc3250077) | 3,937 | 0 (not detected) |
| Swansea Town Of (Sc3210006) | 1,923 | 13 ppb |
Next steps for Lexington, SC
Look up your address in Sunnyvale Mhp (Sc3260138)'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 Sunnyvale Mhp (Sc3260138) 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. Small systems behave differently: why small systems go over more often.