Lancaster, City Of, KS
Lead detected, under the action levels
Latest 90th-percentile lead: 4.11 ppb (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Who runs the water here
Lancaster, City Of serves about 248 people through 125 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Atchison County, Kansas. EPA system ID: KS2000507; phone on file: 913-370-4737. They can tell you what your service line is made of and whether they pay to replace it.
Lancaster, City Of's lead record
That is up 4.11 ppb from 0 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Lancaster, City Of is 4.11 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 4.11 ppb |
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2017 | 0.7 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. Lancaster, City Of's 4.11 ppb sits at the 89th percentile in Kansas and the 88th nationally (higher means more lead).
Other water systems in Atchison County
7 other systems share Atchison County; 0 of them have a higher latest lead result than Lancaster, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Atchison, City Of | 10,694 | 0 (not detected) |
| Atchison Co Rwd 5c | 3,690 | 0 (not detected) |
| Atchison Co Rwd 6 | 693 | 1.61 ppb |
| Effingham, City Of | 500 | 1.94 ppb |
| Atchison Co Rwd 1 | 490 | 0.6 ppb |
| Muscotah, City Of | 158 | 4 ppb |
| Atchison Co Rwd 3 | 110 | 0 (not detected) |
Next steps for Lancaster, KS
Test your own tap with a certified lab first-draw sample; Lancaster, KS may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Lancaster, City Of 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. The action level is dropping - the 10 ppb rule from 2027.