Douglas Co Rwd 4, 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 Douglas Co Rwd 4
Douglas Co Rwd 4 serves about 3,370 people through 1,388 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Douglas County, Kansas. EPA system ID: KS2004509; phone on file: 785-594-3847. They can tell you what your service line is made of and whether they pay to replace it.
Douglas Co Rwd 4's lead record
That is down 1.6 ppb from 1.6 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Douglas Co Rwd 4 is 1.6 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 1.6 ppb |
| 2017 | 0 (not detected) |
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. Douglas Co Rwd 4's reported as 0 (not detected) sits at the 29th percentile in Kansas and the 33rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
11 other systems share Douglas County; 8 of them have a higher latest lead result than Douglas Co Rwd 4. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lawrence, City Of | 95,256 | 3 ppb |
| University Of Kansas | 35,000 | 5.3 ppb |
| Eudora, City Of | 6,449 | 0 (not detected) |
| Baldwin City, City Of | 4,882 | 1.91 ppb |
| Douglas Co Rwd 3 | 4,663 | 3.22 ppb |
| Douglas Co Rwd 5 | 2,500 | 2.8 ppb |
| Douglas Co Rwd 1 | 1,400 | 1.1 ppb |
| Douglas Co Rwd 2 | 1,163 | 3.4 ppb |
| Lecompton, City Of | 592 | 4.8 ppb |
| Douglas Co Rwd 6 | 360 | 0 (not detected) |
Your move
Look up your address in Douglas Co Rwd 4'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 Douglas Co Rwd 4 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.