Culbertson Town Of, MT
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Culbertson Town Of at a glance
Culbertson Town Of serves about 714 people through 441 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Roosevelt County, Montana. EPA system ID: MT0000192; phone on file: 406-787-5271. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2019 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Culbertson Town Of is 4 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2019 | 1 ppb |
| 2019 | 1 ppb |
| 2018 | 3 ppb |
| 2018 | 4 ppb |
| 2017 | 0 (not detected) |
| 2017 | 2 ppb |
Where this result ranks
Of the 753 Montana systems with a lead result, the median latest reading is 1 ppb; 5 are over 15 ppb right now and 28 have gone over at some point. Culbertson Town Of's reported as 0 (not detected) sits at the 35th percentile in Montana and the 25th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Roosevelt County
3 other systems share Roosevelt County; 1 of them has a higher latest lead result than Culbertson Town Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Dry Prairie Rural Water Authority | 3,005 | 1 ppb |
| Froid Town Of | 450 | 0 (not detected) |
| Bainville Town Of | 350 | 0 (not detected) |
What to do in your house
Look up your address in Culbertson Town Of's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Culbertson Town Of 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. Small systems behave differently: why small systems go over more often.