Tilden, City Of, NE
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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 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.
About Tilden, City Of
Tilden, City Of serves about 957 people through 473 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 Madison County, Nebraska. EPA system ID: NE3100301; phone on file: 402-368-2232. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 1.93 ppb from 1.93 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Tilden, City Of is 4.11 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2021 | 1.93 ppb |
| 2020 | 0.72 ppb |
| 2019 | 0.57 ppb |
| 2019 | 4.11 ppb |
| 2019 | 0.97 ppb |
| 2018 | 4.11 ppb |
| 2016 | 0 (not detected) |
Against other Nebraska systems
Of the 576 Nebraska systems with a lead result, the median latest reading is 1.55 ppb; 7 are over 15 ppb right now and 29 have gone over at some point. Tilden, City Of's reported as 0 (not detected) sits at the 16th percentile in Nebraska and the 26th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Madison County
6 other systems share Madison County; 4 of them have a higher latest lead result than Tilden, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Norfolk, City Of | 26,147 | 4.73 ppb |
| Madison, City Of | 2,135 | 1 ppb |
| Battle Creek, City Of | 1,194 | 0 (not detected) |
| Newman Grove, City Of | 721 | 0 (not detected) |
| Kpr Us Llc | 350 | 5.74 ppb |
| Meadow Grove, Village Of | 301 | 1.9 ppb |
Next steps for Tilden, NE
Look up your address in Tilden, City Of'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 Tilden, City Of whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 2350 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. Small systems behave differently: why small systems go over more often.