Hill County Water Districts, MT
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2022-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Hill County Water Districts at a glance
Hill County Water Districts serves about 1,720 people through 715 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 groundwater, in Hill County, Montana. EPA system ID: MT0000249; phone on file: 406-397-3387. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is down 2 ppb from 3 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Hill County Water Districts is 3 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1 ppb |
| 2021 | 3 ppb |
| 2018 | 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. Hill County Water Districts's 1 ppb sits at the 60th percentile in Montana and the 54th nationally (higher means more lead).
Other water systems in Hill County
9 other systems share Hill County; 3 of them have a higher latest lead result than Hill County Water Districts. 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 |
| East End Colony Inc | 100 | 0 (not detected) |
| North Havre County Water Dist | 90 | 3 ppb |
| Ncmrwa North Havre Cwd Leg | 90 | 11 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) |
Next steps for Hingham, MT
Test your own tap with a certified lab first-draw sample; Hingham, 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 Hill County Water Districts 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. The action level is dropping - the 10 ppb rule from 2027.