Cheyenne Board Of Public Utilities, WY
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 15 ppb (monitoring period 2025-2025). 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.
Cheyenne Board Of Public Utilities at a glance
Cheyenne Board Of Public Utilities serves about 64,165 people through 25,386 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 Laramie County, Wyoming. EPA system ID: WY5600011; phone on file: 307-632-9890. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is up 6 ppb from 9 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Cheyenne Board Of Public Utilities is 15 ppb across 9 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 15 ppb over 10 |
| 2024 | 9 ppb |
| 2023 | 10 ppb |
| 2022 | 4 ppb |
| 2022 | 4 ppb |
| 2021 | 1.8 ppb |
| 2021 | 4 ppb |
| 2020 | 3 ppb |
| 2017 | 3.3 ppb |
How Cheyenne Board Of Public Utilities compares
Of the 311 Wyoming systems with a lead result, the median latest reading is 1 ppb; 0 are over 15 ppb right now and 16 have gone over at some point. Cheyenne Board Of Public Utilities's 15 ppb sits at the 100th percentile in Wyoming and the 99th nationally (higher means more lead).
Neighbouring systems
15 other systems share Laramie County; 0 of them have a higher latest lead result than Cheyenne Board Of Public Utilities. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| South Cheyenne Water & Sewer District | 10,000 | 6 ppb |
| Usaf F.E. Warren Afb | 5,500 | 0 (not detected) |
| Winchester Hills | 1,078 | 3 ppb |
| Burns Board Of Public Utilities | 1,024 | 1 ppb |
| West Winds | 663 | 0 (not detected) |
| Big Country Estates | 615 | 1 ppb |
| Cimmaron Village | 327 | 2 ppb |
| Orchard Valley Water Company | 260 | 0 (not detected) |
| Albin, Town Of | 181 | 0 (not detected) |
| Englewood Village Mhp | 152 | 2 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Cheyenne, WY 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 Cheyenne Board Of Public Utilities 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. What a 90th-percentile result does and does not tell you: how to read a lead result. See what changes at 10 ppb in 2027.