Shawnee County, Kansas
SDWIS compliance plate
Sheet KS177 · Shawnee County 9 sys · 551 viol · #414/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-HIGH 58.8% health
- RANK-TOP #414/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 75.0% detect
- SRC-SW SW lead 78%
- SYS-TINY 9 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Johnson County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Shawnee County ranks #414 of 3,254 counties by people served, and #5 of 105 counties in Kansas. See methodology · corpus placement.
Shawnee County standing, mid-flagged corpus third
Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 58.8% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 75.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #414 of 3,254 · #5 of 105 in Kansas.
Flagged-rate neighbourhood around Shawnee County
Lowest/highest poles plus in-state counties nearest Shawnee County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Topeka, City Of | 125,963 | 14 | Detected |
| Shawnee Co RWD 4C | 12,000 | 2 | Detected |
| Shawnee Co RWD 8 | 6,073 | 45 | Detected |
| Shawnee Co RWD 1C | 4,160 | 58 | Clean |
| Shawnee Co RWD 3C | 2,675 | 148 | - |
| Silver Lake, City Of | 1,337 | 22 | - |
| Rossville, City Of | 1,099 | 21 | - |
| Shawnee Co RWD 2C | 700 | 114 | - |
| Metro Topeka Airport Authority | 500 | 127 | - |
Compare beyond Kansas
Mid-flagged peers for Shawnee County
Cross-state counties nearest Shawnee County on flagged-system share (100.0%) and cumulative violation count (551). In-state neighbours stay on the compliance plate above.
Similar flagged-system rate
Nearest cross-state counties by % of SDWIS systems with at least one violation on record.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.