Blackhawk Estates/Iron Rim, ID
Exceeded the action level in the past
Latest 90th-percentile lead: 3 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.
Blackhawk Estates/Iron Rim at a glance
Blackhawk Estates/Iron Rim serves about 270 people through 107 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Bonneville County, Idaho. EPA system ID: ID7100207; phone on file: 208-390-7073. They can tell you what your service line is made of and whether they pay to replace it.
Blackhawk Estates/Iron Rim's lead record
That is down 3 ppb from 6 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Blackhawk Estates/Iron Rim is 25 ppb across 9 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2022 | 6 ppb |
| 2021 | 13 ppb over 10 |
| 2020 | 5 ppb |
| 2019 | 5 ppb |
| 2019 | 7 ppb |
| 2018 | 25 ppb over 15 |
| 2016 | 7 ppb |
| 2016 | 9.66 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. Blackhawk Estates/Iron Rim's 3 ppb sits at the 79th percentile in Idaho and the 81st nationally (higher means more lead).
Neighbouring systems
32 other systems share Bonneville County; 3 of them have a higher latest lead result than Blackhawk Estates/Iron Rim. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Idaho Falls City Of | 69,450 | 3 ppb |
| Falls Water Company Inc | 22,650 | 3 ppb |
| Ammon City Of | 17,338 | 0 (not detected) |
| Iona Water Dept | 2,717 | 1 ppb |
| Comore Loma | 1,626 | 1 ppb |
| Ucon City Of | 1,161 | 0 (not detected) |
| 3d Water Association | 680 | 1 ppb |
| Taylor Mountain Water And Sewer District | 600 | 0 (not detected) |
| J And K Water Corp | 370 | 3 ppb |
| Country Life Estates | 250 | 0 (not detected) |
Next steps for Daho Falls, ID
Test your own tap with a certified lab first-draw sample; Daho 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 Blackhawk Estates/Iron Rim 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.