Cass County Pwsd 1, MO
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.
Cass County Pwsd 1 at a glance
Cass County Pwsd 1 serves about 723 people through 272 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 surface water, in Cass County, Missouri. EPA system ID: MO1024113; phone on file: 816-680-0002. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cass County Pwsd 1 is 1.4 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2019 | 1.4 ppb |
| 2018 | 1.4 ppb |
| 2018 | 1.4 ppb |
| 2016 | 0 (not detected) |
Against other Missouri systems
Of the 1,674 Missouri systems with a lead result, the median latest reading is 1.04 ppb; 2 are over 15 ppb right now and 74 have gone over at some point. Cass County Pwsd 1's reported as 0 (not detected) sits at the 26th percentile in Missouri and the 25th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Cass County
29 other systems share Cass County; 13 of them have a higher latest lead result than Cass County Pwsd 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Belton Pws | 23,598 | 0 (not detected) |
| Raymore Pws | 21,517 | 0 (not detected) |
| Harrisonville Pws | 10,250 | 2.41 ppb |
| Pleasant Hill Pws | 8,262 | 0 (not detected) |
| Peculiar Pws | 6,226 | 0 (not detected) |
| Cass County Pwsd 9 | 6,063 | 1.01 ppb |
| Cass County Pwsd 2 | 4,650 | 4.7 ppb |
| Cass County Pwsd 7 | 4,143 | 2.89 ppb |
| Cass County Pwsd 3 | 3,225 | 0 (not detected) |
| Cass County Pwsd 10 | 3,068 | 0 (not detected) |
Your move
Look up your address in Cass County Pwsd 1'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 County Pwsd 1 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. A zero today does not rule out a jump later - the rules are tightening in 2027.