Woods Cross City Water System, UT
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 13.5 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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
Who runs the water here
Woods Cross City Water System serves about 13,110 people through 3,539 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: UTAH06021; phone on file: 801-677-1020. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Woods Cross City Water System's lead record
Against the period ending 2025 (13.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Woods Cross City Water System is 13.5 ppb across 7 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 13.5 ppb over 10 |
| 2025 | 13.5 ppb over 10 |
| 2022 | 4.4 ppb |
| 2022 | 4.4 ppb |
| 2021 | 4.4 ppb |
| 2018 | 2.8 ppb |
| 2016 | 2.8 ppb |
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. Woods Cross City Water System's 13.5 ppb sits at the 98th percentile in Utah and the 98th nationally (higher means more lead).
Neighbouring systems
19 other systems share Davis County; 1 of them has a higher latest lead result than Woods Cross 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 |
| Clearfield City Water System | 33,540 | 2.8 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 |
What to do in your house
Test your own tap with a certified lab first-draw sample; Farmington, 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 Woods Cross City 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. The lead result guide covers how utilities pick the homes they sample. This system is in the band the 2027 10 ppb rule changes.