Stone Gate Estates, WY
Lead detected, under the action levels
Latest 90th-percentile lead: 1 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. 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.
About Stone Gate Estates
Stone Gate Estates serves about 198 people through 68 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Campbell County, Wyoming. EPA system ID: WY5601329; phone on file: 307-299-3544. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Stone Gate Estates'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 Stone Gate Estates is 5 ppb across 9 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2024 | 1 ppb |
| 2023 | 2 ppb |
| 2022 | 1 ppb |
| 2022 | 0 (not detected) |
| 2021 | 1 ppb |
| 2021 | 1 ppb |
| 2020 | 5 ppb |
| 2017 | 1 ppb |
How Stone Gate 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. Stone Gate Estates's 1 ppb sits at the 41st percentile in Wyoming and the 52nd nationally (higher means more lead).
Nearby utilities
44 other systems share Campbell County; 18 of them have a higher latest lead result than Stone Gate Estates. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Gillette, City Of | 32,222 | 2 ppb |
| Wright Water & Sewer District | 3,207 | 3 ppb |
| Sleepy Hollow Subdivision | 2,400 | 1 ppb |
| Antelope Valley I&S District (Avisd) | 1,280 | 0 (not detected) |
| Fox Park Subdivision | 843 | 2 ppb |
| Heritage Village Subdivision | 750 | 2 ppb |
| Foothills Mobile Home Park | 735 | 1 ppb |
| Eastview Manufactured Home Community | 688 | 0 (not detected) |
| Crestview Estates Subdivision | 500 | 0 (not detected) |
| Westview Mhc | 416 | 1 ppb |
Next steps for Gillette, WY
Test your own tap with a certified lab first-draw sample; Gillette, 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 Stone Gate 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. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.