New Rockport Colony Inc, 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.
New Rockport Colony Inc at a glance
New Rockport Colony Inc serves about 160 people through 5 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Teton County, Montana. EPA system ID: MT0001776; phone on file: 406-964-3614. They can tell you what your service line is made of and whether they pay to replace it.
New Rockport Colony Inc's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for New Rockport Colony Inc is 0 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2016 | 0 (not detected) |
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. New Rockport Colony Inc's reported as 0 (not detected) sits at the 26th percentile in Montana and the 13th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
8 other systems share Teton County; 8 of them have a higher latest lead result than New Rockport Colony Inc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Choteau City Of | 1,691 | 4 ppb |
| Fairfield Town Of | 718 | 1 ppb |
| Tri County Water District | 470 | 1 ppb |
| Dutton Town Of | 338 | 27 ppb |
| Power Teton County Water Dist | 205 | 5 ppb |
| Bynum - Teton Co W & S District | 100 | 3 ppb |
| Rockport Colony | 92 | 2 ppb |
| Miller Colony | 84 | 1 ppb |
Next steps for Choteau, MT
Look up your address in New Rockport Colony Inc'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 New Rockport Colony Inc 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. A zero today does not rule out a jump later - the rules are tightening in 2027.