Lead Pipe Map

Osawatomie, KS · PWSID KS2012105

City of Osawatomie lead service lines

372 lead or galvanized lines to replace

City of Osawatomie reported 371 lead and 1 galvanized-requiring-replacement service lines out of 1,732 in its inventory. That's 21% of all its lines. Another 45 (2.6%) are still listed as unknown material.

Ranks #32 of 300 Kansas systems with confirmed lead lines, and #814 nationally.

21% of City of Osawatomie's service lines are lead or galvanized requiring replacement. That's higher than the Kansas average (8.2%) and higher than the national average (3.1%).

371Lead
1Galvanized, replace
45Unknown material
1,315Non-lead

Total service lines reported: 1,732. Reported all required service line types. Population served: 4,280; 1,665 connections.

Lead test results

City of Osawatomie's most recent 90th-percentile lead result (Jan 2024–Dec 2026) was 1.3 ppb, below both the 15 ppb action level and the 10 ppb level that takes effect in 2027. This means 90% of homes sampled were at or below that level; individual homes, especially those with lead lines, can be higher.

1510Jan 2015–Dec 2017: 9.5 ppb2015Jan 2018–Dec 2020: 6.6 ppb2018Jan 2021–Dec 2023: 2.9 ppb2021Jan 2024–Dec 2026: 1.3 ppb2024

Lead and Copper Rule 90th-percentile results reported to EPA, in parts per billion. Dashed lines: 15 ppb action level and the 10 ppb level from November 1, 2027.

Progress since 2025 Q1

Reported lead and galvanized-requiring-replacement lines went from 372 in 2025 Q1 to 372 in 2026 Q3: no change. Lines of unknown material went from 45 to 45, no change.

2025 Q1: 372 lead + galvanized3722025 Q12025 Q2: 372 lead + galvanized3722025 Q22025 Q3: 372 lead + galvanized3722025 Q32025 Q4: 372 lead + galvanized3722025 Q42026 Q1: 372 lead + galvanized3722026 Q12026 Q2: 372 lead + galvanized3722026 Q22026 Q3: 372 lead + galvanized3722026 Q3

Quarterly counts reported to EPA. A drop usually means lines were replaced or confirmed non-lead; a rise usually means more lines were identified. Replacement progress rankings.

Lead rule violations

EPA's data lists no Lead and Copper Rule violations for City of Osawatomie since 2015. That covers testing, reporting, corrosion control and public notice requirements; it isn't a guarantee about any individual home.

Source: EPA SDWIS violation records for the Lead and Copper Rule.

Where the water comes from

City of Osawatomie's main water source is surface water (rivers, lakes or reservoirs). It sells water to 1 other water system: Miami Co RWD 3.

Source: EPA SDWIS water system and facility records.

Check your own address

These counts cover the whole system. To see whether your line is lead, use the utility's address-level inventory. Utilities had to prepare one by October 16, 2024 and make it publicly accessible; systems serving more than 50,000 people must post it online.

No map yet? Do the 2-minute scratch and magnet test on the pipe where water enters your home.

Protect your drinking water now

If your line is lead, galvanized or unknown, filter water for drinking, cooking and baby formula. Use a filter certified to NSF/ANSI 53 for lead. Run cold water for a few minutes after it sits for hours, and never use hot tap water for cooking.

How to pick a lead-certified filter · How to test your water for lead

Getting the line 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 Osawatomie whether it replaces the private side for free or with a cost share before you hire anyone. If you want it done sooner, or your utility doesn't cover your side, a licensed plumber can quote it. What replacement costs.

County pages: Lead pipes in Miami County

Cities served

Other water systems nearby

SystemLead + galv.Unknown
Miami Co RWD 200
City of Paola0654
City of Louisburg213
Miami Co RWD 30761
Miami Co RWD 400
City of Fontana056
Marais Des Cygnes Public Utility Auth01

Check another water system

Questions

Does City of Osawatomie have lead pipes?

Yes. City of Osawatomie reported 371 lead service lines and 1 galvanized lines that must be replaced, out of 1,732 total. 45 more are of unknown material.

How do I check if my home's service line is lead?

Look up your address on City of Osawatomie's official service line inventory, which utilities must make publicly available. You can also scratch the pipe where it enters your home: lead is soft, dull gray, scratches to shiny silver and does not attract a magnet.

When will City of Osawatomie replace lead service lines?

Under EPA's Lead and Copper Rule Improvements, most systems must replace lead and galvanized-requiring-replacement lines by December 31, 2037, starting from November 1, 2027. The rule is being challenged in court, so dates could change. Many utilities run free or cost-share programs now.

Has City of Osawatomie had lead violations?

EPA's data shows no Lead and Copper Rule violations since 2015 for City of Osawatomie.

Which water filters remove lead?

Use a filter certified to NSF/ANSI Standard 53 for lead reduction, or NSF/ANSI 58 for reverse osmosis. Check the certification on NSF's listings, not just the box.

Embed or cite this data

Local news sites, blogs and community groups can embed this card. It updates when EPA releases new data.

Citation: Lead Pipe Map, "City of Osawatomie lead service lines," https://leadpipemap.com/ks/city-of-osawatomie/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.