New Horizons Water Inc, ID
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2022-2024). 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.
About New Horizons Water Inc
New Horizons Water Inc serves about 85 people through 29 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Elmore County, Idaho. EPA system ID: ID4200033; phone on file: 986-210-4537. Call that number and ask whether your address has a lead, galvanized or unknown service line.
New Horizons Water Inc's lead record
Against the period ending 2021 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for New Horizons Water Inc is 1 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1 ppb |
| 2021 | 1 ppb |
| 2018 | 1 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. New Horizons Water Inc's 1 ppb sits at the 42nd percentile in Idaho and the 51st nationally (higher means more lead).
Other water systems in Elmore County
22 other systems share Elmore County; 10 of them have a higher latest lead result than New Horizons Water Inc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mountain Home, City Of | 14,651 | 0 (not detected) |
| Mountain Home Air Force Base | 7,500 | 4 ppb |
| Glenns Ferry City Of | 1,282 | 0 (not detected) |
| Trinity Estates Water Users Assn | 250 | 7 ppb |
| Mellen Subd Water Dist | 250 | 5 ppb |
| Canyon Creek Mobile Home Park | 243 | 3 ppb |
| Summerwind Water Users | 192 | 0 (not detected) |
| Sawtooth Estates Water Users | 175 | 9 ppb |
| Blue Sage Subdivision | 112 | 0 (not detected) |
| Simplot Livestock Company Grandview | 100 | 2 ppb |
Next steps for Mountain Home, ID
Test your own tap with a certified lab first-draw sample; Mountain Home, 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 New Horizons Water 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. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.