Missouri West Water System, ND
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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 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
Missouri West Water System serves about 4,303 people through 1,721 service connections, which makes it a medium-sized system under EPA's size classes. It is privately owned and draws surface water, in Morton County, North Dakota. EPA system ID: ND3001431; phone on file: 701-663-8549. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Missouri West Water System's lead record
Against the period ending 2021 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Missouri West Water System is 0 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2018 | 0 (not detected) |
Where this result ranks
Of the 300 North Dakota systems with a lead result, the median latest reading is 0.91 ppb; 3 are over 15 ppb right now and 20 have gone over at some point. Missouri West Water System's reported as 0 (not detected) sits at the 40th percentile in North Dakota and the 34th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Morton County
11 other systems share Morton County; 5 of them have a higher latest lead result than Missouri West Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mandan City Of | 21,769 | 4.2 ppb |
| New Salem City Of | 946 | 1.54 ppb |
| Glen Ullin City Of | 807 | 0 (not detected) |
| Hebron City Of | 747 | 0 (not detected) |
| Crown Butte Coop | 320 | 0 (not detected) |
| Flasher City Of | 232 | 0.52 ppb |
| Riverview Heights | 200 | 0 (not detected) |
| Southwest Wa-Junction Inn(Missouri West) | 173 | 0 (not detected) |
| Almont City Of | 122 | 0 (not detected) |
| Southwest Wa-Tower Hill (Missouri West) | 43 | 1.67 ppb |
Next steps for Mandan, ND
Look up your address in Missouri West Water System'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 Missouri West Water System 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. The lead result guide covers how utilities pick the homes they sample. Small systems behave differently: why small systems go over more often.