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County profile · EPA SDWIS + UCMR5

Guayama Municipio, Puerto Rico

3 SDWIS-listed public water systems serve 3,251 people in Guayama Municipio. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

3
SDWIS water systems Smaller third of counties
712
Total violations Lower third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
-
UCMR5 PFAS (none tested) No UCMR5 tests

SDWIS compliance plate

Sheet PR057 · Guayama Municipio 3 sys · 712 viol · #2962/3254

VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-TINY · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 11.9% health
  • RANK-BOTTOM #2962/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 67%
  • SYS-TINY 3 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Guayama Municipio ranks #2,962 of 3,254 counties by people served, and #65 of 72 counties in Puerto Rico. See methodology · corpus placement.

Guayama 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 11.9% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Guayama Municipio . Population served ranks #2,962 of 3,254 · #65 of 72 in Puerto Rico.

Flagged-rate neighbourhood around Guayama Municipio

Lowest/highest poles plus in-state counties nearest Guayama 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
Cimarrona 1,976 63 -
Pf Consumer Healthcare Bv 1,000 6 -
Los Barros 275 643 -

Compare beyond Puerto Rico

Mid-flagged peers for Guayama Municipio

Cross-state counties nearest Guayama Municipio on flagged-system share (100.0%) and cumulative violation count (712). 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.