Plymouth Town Water System, UT
Lead detected, under the action levels
Latest 90th-percentile lead: 1 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.
Plymouth Town Water System at a glance
Plymouth Town Water System serves about 457 people through 182 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Box Elder County, Utah. EPA system ID: UTAH02013; phone on file: 435-230-3716. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Plymouth Town Water System's lead record
Against the period ending 2024 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Plymouth Town Water System is 1 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1 ppb |
| 2024 | 1 ppb |
| 2021 | 0.7 ppb |
| 2021 | 0.7 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. Plymouth Town Water System's 1 ppb sits at the 30th percentile in Utah and the 53rd nationally (higher means more lead).
Nearby utilities
33 other systems share Box Elder County; 21 of them have a higher latest lead result than Plymouth Town Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Brigham City Water System | 20,540 | 0.8 ppb |
| Tremonton City | 13,000 | 1 ppb |
| Perry City | 6,570 | 1.3 ppb |
| West Corinne Water Co | 1,970 | 1.1 ppb |
| Honeyville Town Water System | 1,750 | 6.7 ppb |
| South Willard | 1,500 | 1.1 ppb |
| Ukon Water Company | 1,465 | 1.4 ppb |
| Elwood Town | 1,300 | 2.3 ppb |
| Mantua Town Water System | 1,200 | 1.8 ppb |
| Riverside-North Garland Water Co | 1,193 | 2.2 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Plymouth, 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 Plymouth Town 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. Size matters more than most people expect: small vs large water systems.