Cedar Butte Subdivision, ID
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Cedar Butte Subdivision at a glance
Cedar Butte Subdivision serves about 300 people through 70 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Madison County, Idaho. EPA system ID: ID7330067; phone on file: 208-757-7831. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2020 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cedar Butte Subdivision is 0 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
How Cedar Butte Subdivision compares
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. Cedar Butte Subdivision's reported as 0 (not detected) sits at the 27th percentile in Idaho and the 18th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
5 other systems share Madison County; 3 of them have a higher latest lead result than Cedar Butte Subdivision. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Rexburg City Of | 40,695 | 2 ppb |
| Sugar City City Of | 2,395 | 1 ppb |
| Hillview Subd | 50 | 0 (not detected) |
| Meadow Lark Court Llc | 45 | 0 (not detected) |
| Syringa Park Subd | 35 | 1 ppb |
What to do in your house
Look up your address in Cedar Butte Subdivision's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Cedar Butte Subdivision 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. Small systems behave differently: why small systems go over more often.