Clarkia Water And Sewer Dist, ID
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.
Clarkia Water And Sewer Dist at a glance
Clarkia Water And Sewer Dist serves about 53 people through 35 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 Shoshone County, Idaho. EPA system ID: ID1400021; phone on file: 208-245-2421. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 5 ppb from 5 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Clarkia Water And Sewer Dist is 5 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 5 ppb |
| 2019 | 1 ppb |
| 2016 | 2 ppb |
How Clarkia Water And Sewer Dist compares
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. Clarkia Water And Sewer Dist's reported as 0 (not detected) sits at the 7th percentile in Idaho and the 4th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Shoshone County
14 other systems share Shoshone County; 11 of them have a higher latest lead result than Clarkia Water And Sewer Dist. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Central Shoshone County Water Dist | 6,455 | 1 ppb |
| E Shoshone County Water Dist Wallace | 2,388 | 2 ppb |
| Pinehurst Water Dist | 1,950 | 1 ppb |
| E Shoshone County Water Dist Mullan | 840 | 2 ppb |
| Cataldo Water Dist | 680 | 3 ppb |
| Kingston Water Dist 1 | 585 | 2 ppb |
| Leisure Acres Trailer Court | 180 | 0 (not detected) |
| Avery Water And Sewer Dist | 114 | 0 (not detected) |
| Sunny Acres | 100 | 1 ppb |
| Calder Water And Sewer District | 80 | 1.6 ppb |
Next steps for Clarkia, ID
Look up your address in Clarkia Water And Sewer Dist'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 Clarkia Water And Sewer Dist 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. A zero today does not rule out a jump later - the rules are tightening in 2027.