Jade Mhc, WY
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Jade Mhc at a glance
Jade Mhc serves about 200 people through 72 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Fremont County, Wyoming. EPA system ID: WY5600181; phone on file: 307-856-0466. They can tell you what your service line is made of and whether they pay to replace it.
Jade Mhc's lead record
That is down 150 ppb from 150 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Jade Mhc is 150 ppb across 6 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 150 ppb over 15 |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 0 (not detected) |
Against other Wyoming systems
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. Jade Mhc's reported as 0 (not detected) sits at the 17th percentile in Wyoming and the 15th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
20 other systems share Fremont County; 9 of them have a higher latest lead result than Jade Mhc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Riverton, City Of | 10,330 | 3 ppb |
| Lander, City Of | 7,615 | 0 (not detected) |
| Dubois, Town Of | 1,822 | 0 (not detected) |
| Shoshoni, Town Of | 515 | 4 ppb |
| Hudson, Town Of | 460 | 0 (not detected) |
| Gardens North Homeowners Association | 300 | 1 ppb |
| Pavillion, Town Of | 230 | 0 (not detected) |
| Sunridge Estates | 220 | 1 ppb |
| B&K Mobile Home Park | 200 | 1 ppb |
| Mountain View Acres | 165 | 0 (not detected) |
Next steps for Riverton, WY
Test your own tap with a certified lab first-draw sample; Riverton, 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 Jade Mhc 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. More in what a past exceedance means today.