Kansas · population 12,733
Lead pipes in Ottawa, KS
43 lead or galvanized lines to replace
Most of Ottawa (population 12,733) gets its water from City of Ottawa. That system reported 0 lead and 43 galvanized-requiring-replacement service lines out of 5,158, with 3,777 more of unknown material.
0.8% of City of Ottawa's service lines are lead or galvanized requiring replacement, lower than the Kansas average (8.2%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0.8%
- Unknown 73%
- Non-lead 26%
Latest lead test for City of Ottawa (Jan 2024–Dec 2026): 1.1 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for City of Ottawa.
Water systems serving Ottawa
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of OttawaMain system | 0 | 43 | 3,777 | 0.8% |
| Franklin Co RWD 5Also serves parts of the city | 0 | 0 | 31 | 0% |
| Franklin Co RWD 1Also serves parts of the city | 0 | 0 | 14 | 0% |
| Franklin Co RWD 2Also serves parts of the city | 0 | 0 | 8 | 0% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Ottawa
The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Ottawa's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- Wellsvilleno lead reported
- Baldwin9 lead + galv. lines
- Osawatomie372 lead + galv. lines
- Edgerton3,253 lead + galv. lines
- Garnett128 lead + galv. lines
- Paola654 unknown
- Lyndon7 lead + galv. lines
- Gardnerno lead reported
Check another water system
Questions
Does Ottawa, KS have lead pipes?
Yes. City of Ottawa, which serves Ottawa, reported 0 lead and 43 galvanized-requiring-replacement service lines, plus 3,777 of unknown material.
Who supplies water to Ottawa?
EPA's service area maps place most of Ottawa in City of Ottawa's service area (PWSID KS2005906). Franklin Co RWD 5, Franklin Co RWD 1, Franklin Co RWD 2 also serve parts of the city or nearby areas.
How do I check whether my Ottawa home has a lead service line?
Search your address on City of Ottawa's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Ottawa be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask City of Ottawa whether your street is scheduled and whether it covers the private side.