Zapata County, Texas
SDWIS compliance plate
Sheet TX505 · Zapata County 4 sys · 781 viol · #1906/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-MID · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-HIGH 45.1% health
- RANK-MID #1906/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 100.0% detect
- SRC-SW SW lead 100%
- SYS-TINY 4 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Collin County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Zapata County ranks #1,906 of 3,254 counties by people served, and #134 of 254 counties in Texas. See methodology · corpus placement.
Zapata 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 45.1% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,906 of 3,254 · #134 of 254 in Texas.
Flagged-rate neighbourhood around Zapata County
Lowest/highest poles plus in-state counties nearest Zapata County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Zapata County Waterworks Swtp | 13,736 | 95 | Detected |
| Siesta Shores Wcid | 1,842 | 258 | - |
| Zapata County San Ygnacio and Ramireno | 1,254 | 257 | - |
| Zapata County Wcid Hwy 16 East | 243 | 171 | - |
Compare beyond Texas
Mid-flagged peers for Zapata County
Cross-state counties nearest Zapata County on flagged-system share (100.0%) and cumulative violation count (781). 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.