Clarks Hill Water Works, IN
Lead detected, under the action levels
Latest 90th-percentile lead: 1.61 ppb (monitoring period 2022-2024). 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.
About Clarks Hill Water Works
Clarks Hill Water Works serves about 660 people through 280 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Tippecanoe County, Indiana. EPA system ID: IN5279006; phone on file: 765-404-4368. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
The highest 90th-percentile result EPA holds for Clarks Hill Water Works is 1.61 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.61 ppb |
How Clarks Hill Water Works compares
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. Clarks Hill Water Works's 1.61 ppb sits at the 56th percentile in Indiana and the 65th nationally (higher means more lead).
Other water systems in Tippecanoe County
10 other systems share Tippecanoe County; 0 of them have a higher latest lead result than Clarks Hill Water Works. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lafayette Water Works | 70,835 | 0.47 ppb |
| Purdue Univ. Water Works | 50,000 | 0 (not detected) |
| Indiana American Water - West Lafayette | 35,533 | 0 (not detected) |
| Battle Ground Water District | 1,940 | 0 (not detected) |
| Dayton Water Utility | 1,420 | 0 (not detected) |
| Wildcat Highlands | 360 | 0 (not detected) |
| Shadeland Mobile Home Park | 200 | 0 (not detected) |
| Modernaire Trailer Court | 105 | 0 (not detected) |
| Royal Oaks Estates Llc | 95 | 0 (not detected) |
| Kings Ridge Homeowners Association | 90 | 0.63 ppb |
Next steps for Clarks Hill, IN
Test your own tap with a certified lab first-draw sample; Clarks Hill, IN 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 Clarks Hill Water Works 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.