Judith Gap Town Of, MT
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2014-2016). 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.
Who runs the water here
Judith Gap Town Of serves about 126 people through 85 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Wheatland County, Montana. EPA system ID: MT0000258; phone on file: 406-473-2249. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
The highest 90th-percentile result EPA holds for Judith Gap Town Of is 0 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2016 | 0 (not detected) |
How Judith Gap Town Of compares
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. Judith Gap Town Of's reported as 0 (not detected) sits at the 23rd percentile in Montana and the 11th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
6 other systems share Wheatland County; 3 of them have a higher latest lead result than Judith Gap Town Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Harlowton City Of | 1,050 | 2 ppb |
| Martinsdale Colony | 150 | 0 (not detected) |
| Springwater Colony | 100 | 1 ppb |
| Cmrwa Musselshell Judith Rural Water Sys | 100 | - |
| Duncan Ranch Colony | 96 | 0 (not detected) |
| Two Dot Water Users Company | 50 | 3 ppb |
What to do in your house
Look up your address in Judith Gap 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 Judith Gap 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Small systems behave differently: why small systems go over more often.