Jefferson Co Rwd 7, KS
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). 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.
About Jefferson Co Rwd 7
Jefferson Co Rwd 7 serves about 1,180 people through 686 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 groundwater, in Jefferson County, Kansas. EPA system ID: KS2008713; phone on file: 785-863-3294. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Jefferson Co Rwd 7's lead record
That is down 1.9 ppb from 1.9 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Jefferson Co Rwd 7 is 3.2 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 1.9 ppb |
| 2017 | 3.2 ppb |
Against other Kansas systems
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. Jefferson Co Rwd 7's reported as 0 (not detected) sits at the 23rd percentile in Kansas and the 28th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
17 other systems share Jefferson County; 14 of them have a higher latest lead result than Jefferson Co Rwd 7. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Jefferson Co Rwd 12 | 3,635 | 3.4 ppb |
| Jefferson Co Rwd 3 | 2,435 | 2.22 ppb |
| Jefferson Co Rwd 1 | 2,343 | 1.7 ppb |
| Jefferson Co Rwd 13 | 2,115 | 0.1 ppb |
| Valley Falls, City Of | 1,086 | 4.1 ppb |
| Oskaloosa, City Of | 1,086 | 0 (not detected) |
| Mclouth, City Of | 858 | 0 (not detected) |
| Perry, City Of | 858 | 3.52 ppb |
| Jefferson Co Rwd 2 | 642 | 2.9 ppb |
| Ozawkie, City Of | 636 | 2.57 ppb |
Your move
Look up your address in Jefferson 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 Jefferson 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.