PlainWater

Santa Isabel Municipio, Puerto Rico

SDWIS compliance plate

Sheet PR133 · Santa Isabel Municipio 5 sys · 1,017 viol · #1030/3254

VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 5.5% health
  • RANK-UPPER #1030/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 80%
  • SYS-TINY 5 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: San Juan Municipio (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Santa Isabel Municipio ranks #1,030 of 3,254 counties by people served, and #16 of 72 counties in Puerto Rico. See methodology · corpus placement.

Santa Isabel Municipio 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 5.5% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,030 of 3,254 · #16 of 72 in Puerto Rico.

Flagged-rate neighbourhood around Santa Isabel Municipio

Lowest/highest poles plus in-state counties nearest Santa Isabel Municipio on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Vega Baja Muni · lowest San Juan Munic · near Rincon Municip · near 88.9% 100% 100% 100% 100% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Santa Isabel Urbano 39,884 443 Detected
Coamo Urbano 4,592 227 Clean
Martex Farms 100 147 -
Motel las Vegas 52 61 -
Martex Farm Paso Seco 42 139 -

Compare beyond Puerto Rico

Mid-flagged peers for Santa Isabel Municipio

Cross-state counties nearest Santa Isabel Municipio on flagged-system share (100.0%) and cumulative violation count (1,017). 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.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

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.