Roberts City Of, ID
Lead detected, under the action levels
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. 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.
Roberts City Of at a glance
Roberts City Of serves about 680 people through 220 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Jefferson County, Idaho. EPA system ID: ID7260035; phone on file: 208-228-3220. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 3 ppb from 6 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Roberts City Of is 6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2022 | 6 ppb |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
How Roberts City Of 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. Roberts City Of's 3 ppb sits at the 80th percentile in Idaho and the 82nd nationally (higher means more lead).
Other water systems in Jefferson County
15 other systems share Jefferson County; 2 of them have a higher latest lead result than Roberts City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Rigby City Of | 5,400 | 2 ppb |
| Ririe City Of | 656 | 7 ppb |
| Morning View Water Company | 459 | 1 ppb |
| Country Squire Estates | 450 | 1 ppb |
| M And T Water And Sewer Dist | 358 | 0 (not detected) |
| Pepperwood Crossing/Rocky Mnt Utilities | 336 | 1 ppb |
| Jefferson Greens Estates | 193 | 0 (not detected) |
| Sunbrook Estates Div # 2 | 144 | 0 (not detected) |
| Rolling Hills Acres | 141 | 0 (not detected) |
| Jenco Acres | 105 | 1 ppb |
Next steps for Roberts, ID
Test your own tap with a certified lab first-draw sample; Roberts, 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 Roberts City Of 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. The action level is dropping - the 10 ppb rule from 2027.