Community Water System · PWS PR0004494
Guilarte
Operator location Adjuntas, Puerto Rico - 7% of 59 violations are health-based (middle-third health share (≤ 23%)); surface water source; 1,220 served per SDWIS.
- 1,220
- People served (this PWS)
- 59
- EPA violations (this PWS)
- 4
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Guilarte standing, mid SDWIS violation third
7% of 59 recorded violations are health-based - middle-third health share (≤ 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 7% is middle-third health share (≤ 23%). Population rank #17,671 of 29,740 among systems serving 500+.
The verdict
Guilarte lands in the middle third by violation volume (59), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 1,220 (mid served population (≤ 3,309)). Health-based share is 7% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #17,671 of 29,740
- Population · /systems
- #150 of 235
- Population · PR
- 59
- Total EPA violations on record
- 7%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 457
- County
- Adjuntas Municipio
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 48
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 6 | 2016 |
| Consumer Confidence Rule | Other | 5 | 2022 |
| E. COLI | MR | 4 | 2019 |
| Surface Water Treatment Rule | MR | 3 | 2016 |
| Coliform (TCR) | MR | 3 | 2016 |
| Coliform (TCR) | MCL | 3 | 2011 |
| TTHM | MR | 3 | 2019 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2019 |
| Simazine | MR | 3 | 2019 |
| LASSO | MR | 3 | 2019 |
| Benzo(a)pyrene | MR | 3 | 2019 |
| Atrazine | MR | 3 | 2019 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2012 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2004 |
| Methoxychlor | MR | 1 | 2019 |
| Hexachlorocyclopentadiene | MR | 1 | 2019 |
| Heptachlor | MR | 1 | 2019 |
| Total Polychlorinated Biphenyls (PCB) | MR | 1 | 2019 |
| Chlordane | MR | 1 | 2019 |
| HEXACHLOROBENZENE | MR | 1 | 2019 |
| BHC-GAMMA | MR | 1 | 2019 |
| Toxaphene | MR | 1 | 2019 |
| Endrin | MR | 1 | 2019 |
| Heptachlor epoxide | MR | 1 | 2019 |
| Glyphosate | MR | 1 | 2019 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 1 | 2016 |
Violation Count vs. the National Corpus
Guilarte has 59 recorded EPA violations, 61% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 39% carry more. 7% of this system's own violations are health-based (4 of 59), and it ranks #17,671 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
59 Around the middle fewer violations than 39% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
Health-based violations on Guilarte
4 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for PR0004494.
Sources: EPA SDWIS
Nationwide peers
59 violations · 1,220 served: nearest cross-state SDWIS matches.
Cross-state systems near this violation count
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Guilarte
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Puerto Rico compares on the same EPA violation measures. Puerto Rico systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.