Duchesne Water System, UT
Lead detected, under the action levels
Latest 90th-percentile lead: 0.92 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 Duchesne Water System
Duchesne Water System serves about 2,000 people through 687 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 surface water, in Duchesne County, Utah. EPA system ID: UTAH07001; phone on file: 435-650-2315. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2024 (0.92 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Duchesne Water System is 0.92 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0.92 ppb |
| 2024 | 0.92 ppb |
| 2021 | 0.91 ppb |
| 2021 | 0.91 ppb |
How Duchesne Water System compares
Of the 521 Utah systems with a lead result, the median latest reading is 1.71 ppb; 8 are over 15 ppb right now and 27 have gone over at some point. Duchesne Water System's 0.92 ppb sits at the 26th percentile in Utah and the 49th nationally (higher means more lead).
Other water systems in Duchesne County
14 other systems share Duchesne County; 10 of them have a higher latest lead result than Duchesne Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Roosevelt City Water System | 8,000 | 5.3 ppb |
| Duchesne County Upper Country Wid | 2,100 | 1.2 ppb |
| Johnson Water District | 2,065 | 0.8 ppb |
| Fruitland Water Ssd | 1,162 | 1.4 ppb |
| Myton City | 1,075 | 1.5 ppb |
| East Duchesne Culinary Wid | 1,000 | 1.8 ppb |
| Pinion Forest Ssd | 640 | 1.1 ppb |
| Neola Water And Sewer District | 490 | 4.7 ppb |
| Cedarview Montwell Ssd | 445 | 1.3 ppb |
| Hanna Water & Sewer Improvement District | 405 | 1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Duchesne, UT 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 Duchesne Water System 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.