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County profile · EPA SDWIS + UCMR5

Caguas Municipio, Puerto Rico

23 SDWIS-listed public water systems serve 86,609 people in Caguas Municipio. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

23
SDWIS water systems Middle third of counties
5,193
Total violations Upper third of counties
95.7%
SDWIS systems w/ a violation Middle third of counties
50.0%
UCMR5 PFAS rate (2 tested) Upper third of counties with tests

SDWIS compliance plate

Sheet PR025 · Caguas Municipio 23 sys · 5,193 viol · #645/3254

VIOL-SEVERE · HEALTH-MID · RANK-TOP · BELOW-PEER · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 95.7% flagged
  • HEALTH-MID 27.4% health
  • RANK-TOP #645/3254
  • BELOW-PEER 4.3 pp cleaner
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 78%
  • SYS-SMALL 23 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: San Juan Municipio (+ 4.3 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Caguas Municipio ranks #645 of 3,254 counties by people served, and #6 of 72 counties in Puerto Rico. See methodology · corpus placement.

Caguas Municipio standing, mid-flagged corpus third

Flagged-system rate 95.7% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 27.4% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #645 of 3,254 · #6 of 72 in Puerto Rico.

Flagged-rate neighbourhood around Caguas Municipio

Lowest/highest poles plus in-state counties nearest Caguas 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% 95.7% 100% 100% 100% 100% 100%

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

Water Systems

Compare beyond Puerto Rico

Mid-flagged peers for Caguas Municipio

Cross-state counties nearest Caguas Municipio on flagged-system share (95.7%) and cumulative violation count (5,193). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.