Culvers Hill - North Webster, IN
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 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
Culvers Hill - North Webster serves about 75 people through 44 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Kosciusko County, Indiana. EPA system ID: IN5243005; phone on file: 574-773-4736. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is down 19 ppb from 19 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Culvers Hill - North Webster is 19 ppb across 6 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 19 ppb over 15 |
| 2025 | 0 (not detected) |
| 2024 | 4.4 ppb |
| 2021 | 2.9 ppb |
| 2018 | 0 (not detected) |
Against other Indiana systems
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. Culvers Hill - North Webster's reported as 0 (not detected) sits at the 6th percentile in Indiana and the 7th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Kosciusko County
20 other systems share Kosciusko County; 10 of them have a higher latest lead result than Culvers Hill - North Webster. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Indiana American Water - Warsaw | 13,835 | 2 ppb |
| 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 | - |
Next steps for Nappanee, IN
Test your own tap with a certified lab first-draw sample; Nappanee, 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 Culvers Hill - North Webster whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 7500 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. Why an old exceedance still matters: over the limit before, under it now.