Clearfield City Water System, UT
Lead detected, under the action levels
Latest 90th-percentile lead: 2.8 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.
Clearfield City Water System at a glance
Clearfield City Water System serves about 33,540 people through 7,365 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Davis County, Utah. EPA system ID: UTAH06002; phone on file: 801-525-4430. 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 1.4 ppb from 4.2 ppb in the period ending 2019. The highest 90th-percentile result EPA holds for Clearfield City Water System is 10.2 ppb across 4 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2.8 ppb |
| 2019 | 4.2 ppb |
| 2018 | 4 ppb |
| 2016 | 10.2 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. Clearfield City Water System's 2.8 ppb sits at the 71st percentile in Utah and the 80th nationally (higher means more lead).
Other water systems in Davis County
19 other systems share Davis County; 11 of them have a higher latest lead result than Clearfield City Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Layton City Water System | 82,000 | 4.08 ppb |
| Bountiful City Water System | 37,500 | 7.2 ppb |
| Syracuse City Water System | 35,561 | 2.6 ppb |
| Kaysville City Water System | 32,976 | 2.4 ppb |
| Farmington City Water System | 27,860 | 3 ppb |
| Hill Air Force Base | 25,625 | 1.2 ppb |
| Clinton City Water System | 23,000 | 2.2 ppb |
| North Salt Lake City Water System | 18,655 | 16 ppb |
| Centerville City Water System | 17,155 | 3 ppb |
| Woods Cross City Water System | 13,110 | 13.5 ppb |
Next steps for Brigham City, UT
Test your own tap with a certified lab first-draw sample; Brigham City, 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 Clearfield City Water System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1370 ppb (copper action level 1,300 ppb).
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. Systems that went over once often dip back under; here is what that means.