Cass Rural Water District-Phase Ii, ND
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
Cass Rural Water District-Phase Ii at a glance
Cass Rural Water District-Phase Ii serves about 1,700 people through 654 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Cass County, North Dakota. EPA system ID: ND0901124; phone on file: 701-428-3139. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Cass Rural Water District-Phase Ii's lead record
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cass Rural Water District-Phase Ii is 2.65 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 1.34 ppb |
| 2019 | 1.82 ppb |
| 2018 | 2.65 ppb |
How Cass Rural Water District-Phase Ii compares
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. Cass Rural Water District-Phase Ii's reported as 0 (not detected) sits at the 35th percentile in North Dakota and the 30th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
25 other systems share Cass County; 15 of them have a higher latest lead result than Cass Rural Water District-Phase Ii. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Fargo City Of | 120,762 | 1.89 ppb |
| West Fargo City Of | 34,858 | 0 (not detected) |
| Cass Rural Water District Fargo | 4,242 | 1.63 ppb |
| Cass Rural Water District-Phase I | 3,658 | 0 (not detected) |
| Casselton City Of | 2,513 | 12.1 ppb |
| Cass Rural Water District-Phase Iii | 1,682 | 0 (not detected) |
| Horace City Of | 1,641 | 0 (not detected) |
| Mapleton City Of | 1,320 | 0 (not detected) |
| Harwood City Of | 718 | 6.72 ppb |
| Kindred City Of | 692 | 0 (not detected) |
Your move
Look up your address in Cass Rural Water District-Phase Ii'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 Cass Rural Water District-Phase Ii whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1370 ppb (copper action level 1,300 ppb).
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. Small systems behave differently: why small systems go over more often.