Highway 54 Water Association, Inc, ID
Lead detected, under the action levels
Latest 90th-percentile lead: 1 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. 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.
Highway 54 Water Association, Inc at a glance
Highway 54 Water Association, Inc serves about 100 people through 40 service connections, which makes it a very small system under EPA's size classes. It is under mixed public and private ownership and draws groundwater, in Kootenai County, Idaho. EPA system ID: ID1280221; phone on file: 208-691-3427. They can tell you what your service line is made of and whether they pay to replace it.
Highway 54 Water Association, Inc's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Highway 54 Water Association, Inc is 2 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1 ppb |
| 2023 | 0 (not detected) |
| 2020 | 2 ppb |
| 2017 | 0 (not detected) |
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. Highway 54 Water Association, Inc's 1 ppb sits at the 43rd percentile in Idaho and the 51st nationally (higher means more lead).
Neighbouring systems
112 other systems share Kootenai County; 44 of them have a higher latest lead result than Highway 54 Water Association, Inc. 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 |
Your move
Test your own tap with a certified lab first-draw sample; Post Falls, 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 Highway 54 Water Association, Inc 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Systems that went over once often dip back under; here is what that means.