PlainWater

Arecibo Municipio, Puerto Rico

SDWIS compliance plate

Sheet PR013 · Arecibo Municipio 12 sys · 2,669 viol · #517/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-LOW · SRC-SW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 15.5% health
  • RANK-TOP #517/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-LOW 20.0% detect
  • SRC-SW SW lead 50%
  • SYS-SMALL 12 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, Arecibo Municipio ranks #517 of 3,254 counties by people served, and #5 of 72 counties in Puerto Rico. See methodology · corpus placement.

Arecibo 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 15.5% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 20.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #517 of 3,254 · #5 of 72 in Puerto Rico.

Flagged-rate neighbourhood around Arecibo Municipio

Lowest/highest poles plus in-state counties nearest Arecibo 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
Arecibo Urbano 61,119 961 Detected
Santana 19,574 282 Clean
Sabana Hoyos 15,876 100 Clean
Garrochales 7,439 156 Clean
Miraflores 5,596 80 -
Bajadero 3,420 48 Clean
Esperanza 2,232 265 -
San Rafael 1,412 1 -
Campamento Penal Sabana Hoyos 800 449 -
Rio Arriba 753 287 -
Aiac International Pharma, LLC 236 6 -
Observatorio de Arecibo 100 34 -

Compare beyond Puerto Rico

Mid-flagged peers for Arecibo Municipio

Cross-state counties nearest Arecibo Municipio on flagged-system share (100.0%) and cumulative violation count (2,669). 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.