Pepperwood Crossing/Rocky Mnt Utilities, ID
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (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. 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.
Who runs the water here
Pepperwood Crossing/Rocky Mnt Utilities serves about 336 people through 117 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Jefferson County, Idaho. EPA system ID: ID7260080; phone on file: 208-745-6443. They can tell you what your service line is made of and whether they pay to replace it.
Pepperwood Crossing/Rocky Mnt Utilities's lead record
Against the period ending 2020 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Pepperwood Crossing/Rocky Mnt Utilities is 1 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1 ppb |
| 2020 | 1 ppb |
| 2017 | 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. Pepperwood Crossing/Rocky Mnt Utilities's 1 ppb sits at the 51st percentile in Idaho and the 53rd nationally (higher means more lead).
Other water systems in Jefferson County
15 other systems share Jefferson County; 5 of them have a higher latest lead result than Pepperwood Crossing/Rocky Mnt Utilities. 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 |
| Roberts City Of | 680 | 3 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) |
| 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 |
What to do in your house
Test your own tap with a certified lab first-draw sample; Rigby, 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 Pepperwood Crossing/Rocky Mnt Utilities 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. The action level is dropping - the 10 ppb rule from 2027.