Big Country Estates, WY
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2021-2023). 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.
Who runs the water here
Big Country Estates serves about 615 people through 246 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws surface water, in Laramie County, Wyoming. EPA system ID: WY5601271; phone on file: 307-632-0722. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2020 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Big Country Estates is 2 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1 ppb |
| 2020 | 2 ppb |
| 2017 | 0 (not detected) |
How Big Country Estates 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. Big Country Estates's 1 ppb sits at the 48th percentile in Wyoming and the 53rd nationally (higher means more lead).
Neighbouring systems
15 other systems share Laramie County; 7 of them have a higher latest lead result than Big Country Estates. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Cheyenne Board Of Public Utilities | 64,165 | 15 ppb |
| 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) |
| 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 |
Next steps for Cheyenne, WY
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 Big Country Estates 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. Size matters more than most people expect: small vs large water systems.