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Community Water System · PWS PR0556015

Asociacion Acueducto Mulas Jagual, Inc.

Patillas, Puerto Rico 00723 - drinking water served from surface water sources to 652 people, tracked in EPA SDWIS and UCMR5.

652
People served
819
EPA violations
149
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 819 drinking-water violations at Asociacion Acueducto Mulas Jagual, Inc., 18% of them health-based - above the Puerto Rico per-system average.

819
Total EPA violations on record
18%
Health-based (MCL / treatment failure)
652
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Asociacion Acueducto Mulas Jagual, Inc.

Asociacion Acueducto Mulas Jagual, Inc. is a private-owned community water system that delivers drinking water to 652 residents in Patillas, Puerto Rico (Patillas Municipio County) through 163 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 819 total violations for this system , of which 149 (18%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 582 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 477 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Puerto Rico, EPA tracks 458 public water systems serving 3,328,141 people, with 164,144 cumulative violations and 34,657 health-based violations on record. About 100% of systems in the state carry at least one violation, and state-wide the average per system is 358.4 violations. Statewide, 40 of 99 UCMR5-tested systems have reported PFAS detections (40.4%).

Asociacion Acueducto Mulas Jagual, Inc.'s 819 violations sit above the Puerto Rico average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
652
Total Violations
819
Health-Based Violations
149
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
163
County
Patillas Municipio
School/Daycare
No
MCL Violations
137
Monitoring Violations
582
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 477 2014
Coliform (TCR) MCL 135 2015
Surface Water Treatment Rule MR 101 2005
Surface Water Treatment Rule TT 10 2007
Revised Total Coliform Rule MON 3 2019
Revised Total Coliform Rule MCL 2 2018
Public Notice Other 2 2018
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024
Lead and Copper Rule MR 1 2023

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFEESA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/27/2023 <6.00 ppt 6.00 ppt Not Detected
6:2 FTS 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 9/27/2023 <20.00 ppt 20.00 ppt Not Detected
PFMBA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
PFDA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/27/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/27/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFDoA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 9/27/2023 <7.00 ppt 7.00 ppt Not Detected
ADONA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 9/27/2023 <8.00 ppt 8.00 ppt Not Detected
PFOS 6/20/2023 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 6/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 6/20/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/20/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 6/20/2023 <2.00 ppt 2.00 ppt Not Detected
PFHpA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 6/20/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 6/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/20/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 6/20/2023 <8.00 ppt 8.00 ppt Not Detected
PFOA 6/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 6/20/2023 <20.00 ppt 20.00 ppt Not Detected
ADONA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 6/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 6/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFEESA 6/20/2023 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Asociacion Acueducto Mulas Jagual, Inc..

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID PR0556015 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Puerto Rico Drinking Water Authority

Puerto Rico's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find PR regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / PR0556015 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / PR0556015 / 5200
2023 Lead and Copper Rule MR 1 SDWIS / PR0556015 / 5000
2019 Revised Total Coliform Rule MON 3 SDWIS / PR0556015 / 8000
2018 Revised Total Coliform Rule MCL 2 SDWIS / PR0556015 / 8000
2018 Public Notice Other 2 SDWIS / PR0556015 / 7500
2015 Coliform (TCR) MCL 135 SDWIS / PR0556015 / 3100
2014 Coliform (TCR) MR 477 SDWIS / PR0556015 / 3100
2007 Surface Water Treatment Rule TT 10 SDWIS / PR0556015 / 0200
2005 Surface Water Treatment Rule MR 101 SDWIS / PR0556015 / 0200

How Asociacion Acueducto Mulas Jagual, Inc. Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Asociacion Acueducto Mulas Jagual, Inc. Puerto Rico avg Federal benchmark
Total violations 819 358.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 149 75.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 652 7,267 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 458 regulated public water systems in Puerto Rico.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Asociacion Acueducto Mulas Jagual, Inc. water safe to drink? ▼
Asociacion Acueducto Mulas Jagual, Inc. (PWS ID: PR0556015) has 819 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 652 people using Surface Water sources.
How many people does Asociacion Acueducto Mulas Jagual, Inc. serve? ▼
Asociacion Acueducto Mulas Jagual, Inc. serves 652 people in Patillas, Puerto Rico. It is a Private-owned system using Surface Water water sources with 163 service connections.
What type of violations does Asociacion Acueducto Mulas Jagual, Inc. have? ▼
Asociacion Acueducto Mulas Jagual, Inc. has 819 total violations: 149 health-based violations (MCL exceedances or treatment failures), 582 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Asociacion Acueducto Mulas Jagual, Inc. water? ▼
No. Asociacion Acueducto Mulas Jagual, Inc. was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Asociacion Acueducto Mulas Jagual, Inc. use? ▼
Asociacion Acueducto Mulas Jagual, Inc. uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from 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.