Day Star, ID
Lead detected, under the action levels
Latest 90th-percentile lead: 2 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 Day Star
Day Star serves about 250 people through 183 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Valley County, Idaho. EPA system ID: ID4430001; phone on file: 208-325-8958. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is down 8 ppb from 10 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Day Star is 10 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2 ppb |
| 2021 | 10 ppb |
| 2018 | 7 ppb |
How Day Star 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. Day Star's 2 ppb sits at the 68th percentile in Idaho and the 71st nationally (higher means more lead).
Other water systems in Valley County
10 other systems share Valley County; 4 of them have a higher latest lead result than Day Star. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mccall City Of | 4,423 | 5 ppb |
| Cascade City Of | 1,000 | 6 ppb |
| Meadows At West Mountain | 550 | 0 (not detected) |
| Fir Grove Estates | 270 | 5 ppb |
| Donnelly City Of | 237 | 0 (not detected) |
| Jughandle Estates | 200 | 0 (not detected) |
| Blackhawk On The River | 150 | 1 ppb |
| Jug Mountain Ranch Subdivision | 100 | 1 ppb |
| Yellow Pine Water Users Inc | 72 | 2 ppb |
| Hawks Bay Estates Hoa Llc | 59 | 3 ppb |
Next steps for Donnelly, ID
Test your own tap with a certified lab first-draw sample; Donnelly, 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 Day Star 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. Systems that went over once often dip back under; here is what that means.