Ferron - Castle Valley Ssd, UT
Lead detected, under the action levels
Latest 90th-percentile lead: 2.2 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.
Ferron - Castle Valley Ssd at a glance
Ferron - Castle Valley Ssd serves about 1,660 people through 698 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: UTAH08004; phone on file: 435-381-5333. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is down 9.7 ppb from 11.9 ppb in the period ending 2016. The highest 90th-percentile result EPA holds for Ferron - Castle Valley Ssd is 11.9 ppb across 2 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.2 ppb |
| 2016 | 11.9 ppb over 10 |
Against other Utah systems
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. Ferron - Castle Valley Ssd's 2.2 ppb sits at the 61st percentile in Utah and the 75th nationally (higher means more lead).
Neighbouring systems
10 other systems share Emery County; 5 of them have a higher latest lead result than Ferron - Castle Valley Ssd. 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 |
| North Emery Ssd | 1,452 | 3 ppb |
| Orangeville | 1,420 | 1.7 ppb |
| Green River City | 910 | 1.3 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 |
Your move
Test your own tap with a certified lab first-draw sample; Castledale, 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 Ferron - Castle Valley Ssd 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. Systems that went over once often dip back under; here is what that means.