North Haven Heights Water Assoc Inc, MT
Exceeded the action level in the past
Latest 90th-percentile lead: 2 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
About North Haven Heights Water Assoc Inc
North Haven Heights Water Assoc Inc serves about 95 people through 30 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Flathead County, Montana. EPA system ID: MT0000087; phone on file: 406-752-1242. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 39 ppb from 41 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for North Haven Heights Water Assoc Inc is 41 ppb across 3 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2 ppb |
| 2021 | 41 ppb over 15 |
| 2018 | 1 ppb |
Against other Montana systems
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. North Haven Heights Water Assoc Inc's 2 ppb sits at the 67th percentile in Montana and the 70th nationally (higher means more lead).
Neighbouring systems
135 other systems share Flathead County; 30 of them have a higher latest lead result than North Haven Heights Water Assoc Inc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Kalispell Public Works | 25,000 | 2 ppb |
| Whitefish City Of | 10,418 | 2 ppb |
| Flathead County Water And Sewer | 9,520 | 1 ppb |
| Bigfork County Water And Sewer | 6,100 | 2 ppb |
| Columbia Falls City Of | 4,450 | 4 ppb |
| Big Mountain Water Company | 2,435 | 7 ppb |
| Lakeside Water System | 1,225 | 3 ppb |
| Hungry Horse Co Water And Sewer District | 1,135 | 0 (not detected) |
| Meadow Lake Co Water And Sewer District | 950 | 0 (not detected) |
| Somers Co Water And Sewer Dist | 765 | 2 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Kalispell, 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 North Haven Heights Water Assoc 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. More in what a past exceedance means today.