Indiana American Water - Sullivan, IN
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2026). 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
Indiana American Water - Sullivan serves about 6,598 people through 2,639 service connections, which makes it a medium-sized system under EPA's size classes. It is privately owned and draws groundwater, in Sullivan County, Indiana. EPA system ID: IN5277009; phone on file: 317-885-2408. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Indiana American Water - Sullivan's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Indiana American Water - Sullivan is 1 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2017 | 1 ppb |
Where this result ranks
Of the 687 Indiana systems with a lead result, the median latest reading is 1.31 ppb; 6 are over 15 ppb right now and 36 have gone over at some point. Indiana American Water - Sullivan's reported as 0 (not detected) sits at the 30th percentile in Indiana and the 36th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
9 other systems share Sullivan County; 4 of them have a higher latest lead result than Indiana American Water - Sullivan. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Shelburn Water Utilities | 2,500 | 0 (not detected) |
| Indiana American Water - Farmersburg | 2,095 | 1 ppb |
| Paxton Water Corporation | 2,013 | 0 (not detected) |
| Dugger Utilities | 1,935 | - |
| Carlisle Water Department | 1,152 | 3 ppb |
| Hymera Water Works | 1,015 | 2 ppb |
| Pleasantville Water Company | 924 | 0 (not detected) |
| Wilfred Water Corporation | 400 | 3 ppb |
| Indiana American Water - Merom | 380 | 0 (not detected) |
Your move
Look up your address in Indiana American Water - Sullivan'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 Indiana American Water - Sullivan 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Small systems behave differently: why small systems go over more often.