Lyndon, City Of, KS
Lead detected, under the action levels
Latest 90th-percentile lead: 1.51 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.
About Lyndon, City Of
Lyndon, City Of serves about 1,049 people through 596 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 Osage County, Kansas. EPA system ID: KS2013901; phone on file: 785-828-3146. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lyndon, City Of's lead record
That is down 11.49 ppb from 13 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Lyndon, City Of is 13 ppb across 4 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.51 ppb |
| 2023 | 13 ppb over 10 |
| 2020 | 10 ppb |
| 2017 | 2.4 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. Lyndon, City Of's 1.51 ppb sits at the 53rd percentile in Kansas and the 64th nationally (higher means more lead).
Nearby utilities
15 other systems share Osage County; 6 of them have a higher latest lead result than Lyndon, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Osage Co Rwd 5 | 3,875 | 2.8 ppb |
| Osage City, City Of | 2,809 | 1.6 ppb |
| Osage Co Rwd 8 | 2,240 | 0 (not detected) |
| Osage Co Rwd 7 | 1,430 | 1.5 ppb |
| Carbondale, City Of | 1,344 | 0 (not detected) |
| Overbrook, City Of | 999 | 0 (not detected) |
| Burlingame, City Of | 955 | 1.8 ppb |
| Osage Co Rwd 3 | 900 | 0 (not detected) |
| Scranton, City Of | 651 | 0 (not detected) |
| Osage Co Rwd 4 | 500 | 0.92 ppb |
Next steps for Lyndon, KS
Test your own tap with a certified lab first-draw sample; Lyndon, 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 Lyndon, 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Size matters more than most people expect: small vs large water systems.