PlainWater

Arroyo Municipio, Puerto Rico

SDWIS compliance plate

Sheet PR015 · Arroyo Municipio 1 sys · 561 viol · #1180/3254

VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-CLEAN · SRC-SW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 32.6% health
  • RANK-UPPER #1180/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 100%
  • SYS-TINY 1 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, Arroyo Municipio ranks #1,180 of 3,254 counties by people served, and #23 of 72 counties in Puerto Rico. See methodology · corpus placement.

Arroyo 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 32.6% 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 #1,180 of 3,254 · #23 of 72 in Puerto Rico.

Flagged-rate neighbourhood around Arroyo Municipio

Lowest/highest poles plus in-state counties nearest Arroyo 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
Guayama Urbano 36,606 561 Clean

Compare beyond Puerto Rico

Mid-flagged peers for Arroyo Municipio

Cross-state counties nearest Arroyo Municipio on flagged-system share (100.0%) and cumulative violation count (561). In-state neighbours stay on the compliance plate above.

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.