EPA data as of Oct 2026 · page updated 2026-10-29

Shawnee Co RWD 8

Shawnee Co RWD 8 (EPA ID KS2017708) in Tecumseh, KS supplies surface water (rivers, lakes) to about 6,073 people: 3 violations since 2016, latest lead result 9.1 ppb, PFAS 1 detected.

Service area

EPA service-area boundary (state-supplied or EPA-modeled)
Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

System facts

People served6,073
Connections3,258
Sourcesurface water (rivers, lakes)
WholesalerNo

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Total Haloacetic Acids (Haa5)3

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Jan 2017.

Lead

Jan 20249.1 ppb
Jan 20211.9 ppb
Jan 20182.7 ppb
Jan 20152.7 ppb
Jan 20142.5 ppb
Jan 20117.9 ppb
Jan 20092.3 ppb
Jan 20082.3 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS

CompoundHighest resultSamples with detectionEPA limit
PFHxS3.2 ppt1 of 8—
PFOSnot detected0 of 84 ppt MCL
PFBSnot detected0 of 8—
PFOAnot detected0 of 84 ppt MCL
PFDAnot detected0 of 8—
PFHxAnot detected0 of 8—
PFBAnot detected0 of 8—
PFPeAnot detected0 of 8—
PFHpAnot detected0 of 8—
HFPO-DA (GenX)not detected0 of 8—
PFNAnot detected0 of 8—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

ZIP codes served

ZIP codes whose center lies in this system’s service area.

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions

Has Shawnee Co RWD 8 had drinking water violations?

Health-based violations since 2016: Total Haloacetic Acids (Haa5). All are listed as resolved.

What is the lead level in Shawnee Co RWD 8 water?

The latest 90th-percentile lead result (Jan 2024) was 9.1 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Shawnee Co RWD 8 have PFAS in its water?

PFAS were detected, with PFOA and PFOS below 4.0 ppt (highest not detected).