Iola, City Of, KS
Exceeded the action level in the past
Latest 90th-percentile lead: 7.17 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Iola, City Of serves about 5,343 people through 2,668 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 Allen County, Kansas. EPA system ID: KS2000103; phone on file: 620-365-4940. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Iola, City Of's lead record
That is up 7.17 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Iola, City Of is 19 ppb across 6 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 7.17 ppb |
| 2025 | 0 (not detected) |
| 2025 | 19 ppb over 15 |
| 2022 | 9.9 ppb |
| 2019 | 14 ppb over 10 |
| 2016 | 1.2 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. Iola, City Of's 7.17 ppb sits at the 96th percentile in Kansas and the 95th nationally (higher means more lead).
Nearby utilities
13 other systems share Allen County; 0 of them have a higher latest lead result than Iola, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Humboldt, City Of | 1,836 | 1.7 ppb |
| Allen Co Rwd 8 | 736 | 1.5 ppb |
| Gas City, City Of | 501 | 3.4 ppb |
| La Harpe, City Of | 484 | 1.1 ppb |
| Moran, City Of | 467 | 1.3 ppb |
| Allen Co Rwd 15 | 135 | 0 (not detected) |
| Allen Co Rwd 16 | 133 | 2.3 ppb |
| Allen Co Rwd 10 | 125 | 1.1 ppb |
| Allen Co Rwd 13 | 100 | 1 ppb |
| Allen Co Rwd 4 | 52 | 2 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Iola, 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 Iola, 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. The lead result guide covers how utilities pick the homes they sample. More in what a past exceedance means today.