County profile · EPA SDWIS + UCMR5
Madison County, Texas
7 SDWIS-listed public water systems serve 12,860 people in Madison County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 7
- SDWIS water systems Smaller third of counties
- 275
- Total violations Lower third of counties
- 85.7%
- SDWIS systems w/ a violation Lower third of counties
- 0.0%
- UCMR5 PFAS rate (1 tested) Lower third of counties with tests
SDWIS compliance plate
Sheet TX313 · Madison County 7 sys · 275 viol · #2158/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 85.7% flagged
- HEALTH-HIGH 46.9% health
- RANK-LOWER #2158/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 100%
- SYS-TINY 7 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Parker County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Madison County ranks #2,158 of 3,254 counties by people served, and #150 of 254 counties in Texas. See methodology · corpus placement.
Madison County standing, lower-flagged corpus third
Flagged-system rate 85.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 46.9% 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 #2,158 of 3,254 · #150 of 254 in Texas.
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 |
|---|---|---|---|
| City of Madisonville | 6,111 | 34 | Clean |
| Tdcj Ferguson Unit | 3,043 | 33 | - |
| North Zulch MUD | 1,800 | 27 | - |
| High Prairie Water Supply Corp | 1,494 | 14 | - |
| Rustic Gardens RV Park | 210 | 24 | - |
| City of Midway | 173 | 143 | - |
| Osr Estates Subdivision | 29 | 0 | - |
Compare beyond Texas
Lower-flagged peers for Madison County
Cross-state counties nearest Madison County on flagged-system share (85.7%) and cumulative violation count (275). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.