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Non-Transient Non-Community Water System · PWS PR0165071

Hato Rey Partners, LLC

Operator location San Juan, Puerto Rico - smaller served population (≤ 999) at 375 people served; 69 SDWIS violations on record from groundwater sources.

375
People served (this PWS)
69
EPA violations (this PWS)
3
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Hato Rey Partners, LLC standing, mid SDWIS violation third

375 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 4% is middle-third health share (≤ 23%).

The verdict

Hato Rey Partners, LLC lands in the middle third by violation volume (69), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (375; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 4% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

69
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
375
People served by this PWS (SDWIS)
N/A
PFAS compounds detected (UCMR5)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
140
County
San Juan Municipio
School/Daycare
No
MCL Violations
0
Monitoring Violations
65
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
LEAD AND COPPER RULE REVISIONS TT 3 2024
Lead and Copper Rule MR 2 2025
Thallium, Total MR 1 2023
Selenium MR 1 2023
Nitrite MR 1 2023
1,2,4-Trichlorobenzene MR 1 2023
DICHLOROMETHANE MR 1 2023
o-Dichlorobenzene MR 1 2023
Barium MR 1 2023
p-Dichlorobenzene MR 1 2023
Vinyl chloride MR 1 2023
trans-1,2-Dichloroethylene MR 1 2023
1,1,1-Trichloroethane MR 1 2023
Carbon tetrachloride MR 1 2023
1,2-Dichloropropane MR 1 2023
Trichloroethylene MR 1 2023
1,1,2-Trichloroethane MR 1 2023
Cadmium MR 1 2023
Tetrachloroethylene MR 1 2023
CHLOROBENZENE MR 1 2023
Toluene MR 1 2023
Ethylbenzene MR 1 2023
Styrene MR 1 2023
BHC-GAMMA MR 1 2023
Methoxychlor MR 1 2023
Toxaphene MR 1 2023
Dalapon MR 1 2023
Diquat MR 1 2023
Di(2-ethylhexyl) adipate MR 1 2023
Di(2-ethylhexyl) phthalate MR 1 2023

Violation Count vs. the National Corpus

Hato Rey Partners, LLC has 69 recorded EPA violations, 65% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 35% carry more. 4% of this system's own violations are health-based (3 of 69), and it ranks unranked by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

69 Around the middle fewer violations than 35% 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

Population served record for Hato Rey Partners, LLC

EPA SDWIS lists 375 people served and 140 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.

Sources: EPA SDWIS

Nationwide peers

69 violations · 375 served: nearest cross-state SDWIS matches.

What to do with Hato Rey Partners, LLC

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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater