Indiana American Water - Warsaw, IN
Lead detected, under the action levels
Latest 90th-percentile lead: 2 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.
Who runs the water here
Indiana American Water - Warsaw serves about 13,835 people through 5,534 service connections, which makes it a large system under EPA's size classes. It is privately owned and draws groundwater, in Kosciusko County, Indiana. EPA system ID: IN5243030; 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.
Every lead result on file
Against the period ending 2021 (3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Indiana American Water - Warsaw is 3 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2 ppb |
| 2021 | 3 ppb |
| 2018 | 3 ppb |
How Indiana American Water - Warsaw 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. Indiana American Water - Warsaw's 2 ppb sits at the 67th percentile in Indiana and the 73rd nationally (higher means more lead).
Other water systems in Kosciusko County
20 other systems share Kosciusko County; 2 of them have a higher latest lead result than Indiana American Water - Warsaw. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Syracuse Water Company | 2,810 | - |
| Milford Water Department | 1,556 | 0 (not detected) |
| Silver Lake Water Works | 1,030 | 1.14 ppb |
| Mentone Water Company | 1,001 | 0 (not detected) |
| Pierceton Water Works | 928 | 0 (not detected) |
| Etna Green Water Department | 663 | 4.37 ppb |
| Turkey Creek Regional Sewer District | 593 | 0 (not detected) |
| Indiana American Water - Claypool | 413 | 0 (not detected) |
| Regency Pointe Estates Mobile Home Park | 345 | - |
| Merrywood Mobile Home Park | 210 | 1.1 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Greenwood, 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 Indiana American Water - Warsaw 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.