Madison County, Missouri
SDWIS compliance plate
Sheet MO123 · Madison County 9 sys · 403 viol · #2620/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-BOTTOM · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 88.9% flagged
- HEALTH-HIGH 47.1% health
- RANK-BOTTOM #2620/3254
- PHOTO-FINISH ±0.7 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 89%
- SYS-TINY 9 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Howell County ( -0.7 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Madison County ranks #2,620 of 3,254 counties by people served, and #89 of 115 counties in Missouri. See methodology · corpus placement.
Madison County standing, lower-flagged corpus third
Flagged-system rate 88.9% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 47.1% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #2,620 of 3,254 · #89 of 115 in Missouri.
Flagged-rate neighbourhood around Madison County
Lowest/highest poles plus in-state counties nearest Madison County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Fredericktown PWS | 4,429 | 130 | Clean |
| Madison County PWSD 1 North and South | 1,705 | 37 | - |
| Pinecrest Camp | 300 | 30 | - |
| Marquand PWS | 253 | 113 | - |
| Castor River Dd Hwy Campground | 125 | 8 | - |
| Mine la Motte Recreation Area | 70 | 34 | - |
| Castor River Ranch Campground | 50 | 5 | - |
| Usfs Silver Mines Camp | 30 | 46 | - |
| Dollar General #31330 Marquand | 25 | 0 | - |
Compare beyond Missouri
Lower-flagged peers for Madison County
Cross-state counties nearest Madison County on flagged-system share (88.9%) and cumulative violation count (403). 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.