Ncmrwa North Havre Cwd Leg, MT
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 11 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
Who runs the water here
Ncmrwa North Havre Cwd Leg serves about 90 people through 6 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 surface water, in Hill County, Montana. EPA system ID: MT0004720. Ask the utility on your bill for your address in their service line inventory.
Ncmrwa North Havre Cwd Leg's lead record
Against the period ending 2022 (10 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Ncmrwa North Havre Cwd Leg is 12 ppb across 4 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 11 ppb over 10 |
| 2022 | 10 ppb |
| 2019 | 12 ppb over 10 |
| 2016 | 7 ppb |
How Ncmrwa North Havre Cwd Leg 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. Ncmrwa North Havre Cwd Leg's 11 ppb sits at the 98th percentile in Montana and the 98th nationally (higher means more lead).
Nearby utilities
9 other systems share Hill County; 0 of them have a higher latest lead result than Ncmrwa North Havre Cwd Leg. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Havre City Of | 9,921 | 3 ppb |
| Hill County Water Districts | 1,720 | 1 ppb |
| East End Colony Inc | 100 | 0 (not detected) |
| North Havre County Water Dist | 90 | 3 ppb |
| Bitterroot Tp Havre Unapproved | 88 | - |
| Hidden Valley Colony | 80 | 0 (not detected) |
| Hilldale Colony | 79 | 0 (not detected) |
| Cool Spring Colony | 75 | 1 ppb |
| Gildford Colony | 70 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Helena, MT 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 Ncmrwa North Havre Cwd Leg 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. Why sampled homes are the worst-case ones is in the guide to reading the number. This system is in the band the 2027 10 ppb rule changes.