Mount Michael High School, NE
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 11.8 ppb (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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
About Mount Michael High School
Mount Michael High School serves about 300 people through 5 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Douglas County, Nebraska. EPA system ID: NE3120046; phone on file: 402-289-2541. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 11.8 ppb from 0 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Mount Michael High School is 23.5 ppb across 4 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 11.8 ppb over 10 |
| 2023 | 0 (not detected) |
| 2022 | 1.07 ppb |
| 2016 | 23.5 ppb over 15 |
How Mount Michael High School compares
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. Mount Michael High School's 11.8 ppb sits at the 97th percentile in Nebraska and the 98th nationally (higher means more lead).
Nearby utilities
11 other systems share Douglas County; 2 of them have a higher latest lead result than Mount Michael High School. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Metropolitan Utilities District | 660,000 | 12.3 ppb |
| Valley, City Of | 3,294 | 2 ppb |
| Waterloo, Village Of | 962 | 11.7 ppb |
| Maplewood Estates Mobile Home Park | 805 | 0 (not detected) |
| Meadowbrook Estates Water System | 675 | 0 (not detected) |
| Douglas Co Sid 284 -Trailridge Ranches | 450 | 1.2 ppb |
| Douglas Co Sid 277 - The Farm | 450 | 12.2 ppb |
| Douglas Co Sid 303 - Skyline Woods | 450 | 9.8 ppb |
| Douglas Co Sid 177 - Riverside Lakes | 330 | 3.35 ppb |
| West Military Water Company | 300 | 1.77 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Elkhorn, NE 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 Mount Michael High School 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. This system is in the band the 2027 10 ppb rule changes.