Falls Water Company Inc, ID
Lead detected, under the action levels
Latest 90th-percentile lead: 3 ppb (monitoring period 2023-2023). 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.
Falls Water Company Inc at a glance
Falls Water Company Inc serves about 22,650 people through 7,000 service connections, which makes it a large system under EPA's size classes. It is privately owned and draws groundwater, in Bonneville County, Idaho. EPA system ID: ID7100030; phone on file: 208-207-9953. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2022 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Falls Water Company Inc is 3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 3 ppb |
| 2022 | 2 ppb |
| 2019 | 2 ppb |
| 2018 | 2 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. Falls Water Company Inc's 3 ppb sits at the 82nd percentile in Idaho and the 83rd nationally (higher means more lead).
Nearby utilities
32 other systems share Bonneville County; 3 of them have a higher latest lead result than Falls Water Company Inc. 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 |
| 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 |
| Blackhawk Estates/Iron Rim | 270 | 3 ppb |
| Country Life Estates | 250 | 0 (not detected) |
Next steps for Idaho Falls, ID
Test your own tap with a certified lab first-draw sample; Idaho 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 Falls Water Company 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. 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.