Green River City, UT
Lead detected, under the action levels
Latest 90th-percentile lead: 1.3 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.
Green River City at a glance
Green River City serves about 910 people through 449 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 Emery County, Utah. EPA system ID: UTAH08005; phone on file: 435-564-3448. 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 2016 (1.28 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Green River City is 1.3 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.3 ppb |
| 2016 | 1.28 ppb |
Where this result ranks
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. Green River City's 1.3 ppb sits at the 39th percentile in Utah and the 60th nationally (higher means more lead).
Neighbouring systems
10 other systems share Emery County; 8 of them have a higher latest lead result than Green River City. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Huntington - Castle Valley Ssd | 2,129 | 2.4 ppb |
| Castledale | 1,700 | 2.7 ppb |
| Ferron - Castle Valley Ssd | 1,660 | 2.2 ppb |
| North Emery Ssd | 1,452 | 3 ppb |
| Orangeville | 1,420 | 1.7 ppb |
| Cleveland Water System | 509 | 3.4 ppb |
| Elmo Town | 368 | 6.5 ppb |
| Emery | 315 | 1 ppb |
| Clawson Water System | 200 | 1.8 ppb |
| Trail Cyn Residents Assn | 62 | 0.69 ppb |
Next steps for Green River, UT
Test your own tap with a certified lab first-draw sample; Green River, 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 Green River City 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.