Kidd Island Bay Water Users, ID
Exceeded the action level in the past
Latest 90th-percentile lead: 2 ppb (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 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.
Kidd Island Bay Water Users at a glance
Kidd Island Bay Water Users serves about 153 people through 61 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Kootenai County, Idaho. EPA system ID: ID1280104; phone on file: 208-667-6105. They can tell you what your service line is made of and whether they pay to replace it.
Kidd Island Bay Water Users's lead record
Against the period ending 2022 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Kidd Island Bay Water Users is 92 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2 ppb |
| 2022 | 1 ppb |
| 2021 | 0 (not detected) |
| 2020 | 92 ppb over 15 |
| 2017 | 1 ppb |
Against other Idaho systems
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. Kidd Island Bay Water Users's 2 ppb sits at the 65th percentile in Idaho and the 70th nationally (higher means more lead).
Neighbouring systems
112 other systems share Kootenai County; 23 of them have a higher latest lead result than Kidd Island Bay Water Users. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Coeur D Alene City Of | 54,115 | 2 ppb |
| Post Falls City Of | 20,285 | 1 ppb |
| East Greenacres Irrigation Dist | 11,165 | 3 ppb |
| Ross Point Water Dist | 10,473 | 2 ppb |
| Rathdrum City Of | 10,358 | 0 (not detected) |
| Hayden Lake Irrigation Dist | 9,375 | 0 (not detected) |
| Avondale Irrigation Dist | 8,785 | 0 (not detected) |
| Hillside Service Area | 4,140 | 1 ppb |
| Rimrock Service Area | 3,493 | 0 (not detected) |
| Spirit Lake City Of | 2,825 | 1.6 ppb |
Next steps for Coeur D Alene, ID
Test your own tap with a certified lab first-draw sample; Coeur D Alene, 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 Kidd Island Bay Water Users 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. More in what a past exceedance means today.