Broken Wrench Llc, WY
Exceeded the action level in the past
Latest 90th-percentile lead: 2 ppb (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.
Broken Wrench Llc at a glance
Broken Wrench Llc serves about 30 people through 16 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Natrona County, Wyoming. EPA system ID: WY5600074; phone on file: 307-262-1065. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2025 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Broken Wrench Llc is 54 ppb across 8 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2 ppb |
| 2025 | 2 ppb |
| 2025 | 1 ppb |
| 2024 | 4 ppb |
| 2024 | 14 ppb over 10 |
| 2023 | 22 ppb over 15 |
| 2022 | 54 ppb over 15 |
| 2018 | 3 ppb |
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. Broken Wrench Llc's 2 ppb sits at the 56th percentile in Wyoming and the 69th nationally (higher means more lead).
Other water systems in Natrona County
20 other systems share Natrona County; 1 of them has a higher latest lead result than Broken Wrench Llc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Casper, City Of | 59,000 | 1 ppb |
| Mills, City Of | 4,050 | 0 (not detected) |
| Bar Nunn, Town Of | 4,000 | 0 (not detected) |
| Evansville, Town Of | 2,873 | 2 ppb |
| Vista West Water Company | 1,600 | 2 ppb |
| Pioneer Water & Sewer District | 1,500 | 2 ppb |
| Sandy Lake Estates I&S District | 450 | 0 (not detected) |
| Natrona County Int'L Airport | 423 | 0 (not detected) |
| Midwest, Town Of | 325 | 2 ppb |
| Air Base Acres I&S District | 236 | 0 (not detected) |
Next steps for Casper, WY
Test your own tap with a certified lab first-draw sample; Casper, 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 Broken Wrench Llc 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.