University Of Idaho, ID
Lead detected, under the action levels
Latest 90th-percentile lead: 5 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 University Of Idaho
University Of Idaho serves about 8,589 people through 179 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by the state and draws groundwater, in Latah County, Idaho. EPA system ID: ID2290042; phone on file: 208-885-5776. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 2 ppb from 7 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for University Of Idaho is 7 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 5 ppb |
| 2021 | 7 ppb |
| 2018 | 7 ppb |
Where this result ranks
Of the 763 Idaho systems with a lead result, the median latest reading is 1 ppb; 3 are over 15 ppb right now and 46 have gone over at some point. University Of Idaho's 5 ppb sits at the 91st percentile in Idaho and the 91st nationally (higher means more lead).
Nearby utilities
15 other systems share Latah County; 4 of them have a higher latest lead result than University Of Idaho. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Moscow Water Dept | 26,000 | 4 ppb |
| Genesee City Of | 1,044 | 2.94 ppb |
| Troy City Of | 850 | 5 ppb |
| Potlatch City Of | 812 | 0 (not detected) |
| Juliaetta City Of | 624 | 9.9 ppb |
| Deary City Of | 529 | 0 (not detected) |
| Kendrick City Of | 313 | 1 ppb |
| North Tomer Butte W&S District | 259 | 1.21 ppb |
| Bovill Water Dept | 256 | 5.01 ppb |
| Onaway Water And Sewer Assn | 200 | 2 ppb |
Next steps for Moscow, ID
Test your own tap with a certified lab first-draw sample; Moscow, ID 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 University Of Idaho 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Size matters more than most people expect: small vs large water systems.