Wilson Co Rwd 7, KS
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.
Who runs the water here
Wilson Co Rwd 7 serves about 585 people through 246 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 Wilson County, Kansas. EPA system ID: KS2020516; phone on file: 620-378-2182. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Wilson Co Rwd 7 is 3.7 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 3.7 ppb |
| 2016 | 0.5 ppb |
Where this result ranks
Of the 832 Kansas systems with a lead result, the median latest reading is 1.4 ppb; 2 are over 15 ppb right now and 35 have gone over at some point. Wilson Co Rwd 7's reported as 0 (not detected) sits at the 16th percentile in Kansas and the 23rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
15 other systems share Wilson County; 9 of them have a higher latest lead result than Wilson Co Rwd 7. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Neodesha, City Of | 2,246 | 3.4 ppb |
| Fredonia, City Of | 2,111 | 0 (not detected) |
| Wilson Co Rwd 11 | 836 | 1.2 ppb |
| Wilson Co Rwd 10 | 808 | 1.9 ppb |
| Wilson Co Rwd 9 | 447 | 1.6 ppb |
| Altoona, City Of | 349 | 2.72 ppb |
| Wilson Co Rwd 1 | 307 | 0 (not detected) |
| Wilson Co Rwd 4 | 293 | 15.4 ppb |
| Wilson Co Rwd 13 | 223 | 0 (not detected) |
| Buffalo, City Of | 218 | 0 (not detected) |
Next steps for Fredonia, KS
Look up your address in Wilson Co Rwd 7'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 Wilson Co Rwd 7 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. Small systems behave differently: why small systems go over more often.