Granada Subdivision (Sc4350008), SC
Exceeded the action level in the past
Latest 90th-percentile lead: 3.7 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.
Who runs the water here
Granada Subdivision (Sc4350008) serves about 150 people through 61 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Sumter County, South Carolina. EPA system ID: SC4350008; phone on file: 803-773-3353. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2022 (3.2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Granada Subdivision (Sc4350008) is 100 ppb across 6 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3.7 ppb |
| 2022 | 3.2 ppb |
| 2021 | 1.4 ppb |
| 2020 | 10 ppb |
| 2019 | 100 ppb over 15 |
| 2016 | 9 ppb |
How Granada Subdivision (Sc4350008) 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. Granada Subdivision (Sc4350008)'s 3.7 ppb sits at the 82nd percentile in South Carolina and the 86th nationally (higher means more lead).
Other water systems in Sumter County
17 other systems share Sumter County; 4 of them have a higher latest lead result than Granada Subdivision (Sc4350008). If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Sumter City Of (Sc4310001) | 53,070 | 0.79 ppb |
| High Hills | 12,545 | 1.3 ppb |
| Shaw Afb (Sc4310501) | 9,000 | 0.54 ppb |
| Dalzell Water District (Sc4320001) | 3,912 | 2.1 ppb |
| Oswego Rural Water Co (Sc4320006) | 3,282 | 0.23 ppb |
| Sumter Co-Wedgefield-Stateburg Wd | 1,200 | 0.57 ppb |
| Bgwc Oakland Plantation (Sc4350006) | 1,180 | 0.35 ppb |
| Mayesville Town Of (Sc4310003) | 665 | 0.3 ppb |
| Shiloh Water System (Sc4320005) | 645 | 5.7 ppb |
| Pinewood Town Of (Sc4310002) | 455 | 1.4 ppb |
Next steps for Sumter, SC
Test your own tap with a certified lab first-draw sample; Sumter, SC 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 Granada Subdivision (Sc4350008) whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1400 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. The lead result guide covers how utilities pick the homes they sample. More in what a past exceedance means today.