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Community Water System · PWS PR0521035

Asoc. de Agua Sector Pelegrin Santos

Cidra, Puerto Rico 00739 - drinking water served from groundwater sources to 256 people, tracked in EPA SDWIS and UCMR5.

256
People served
109
EPA violations
46
Health-based
Untested
UCMR5 result

The verdict

EPA records 109 drinking-water violations at Asoc. de Agua Sector Pelegrin Santos, 42% of them health-based - below the Puerto Rico per-system average.

109
Total EPA violations on record
42%
Health-based (MCL / treatment failure)
256
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Asoc. de Agua Sector Pelegrin Santos

Asoc. de Agua Sector Pelegrin Santos is a private-owned community water system that delivers drinking water to 256 residents in Cidra, Puerto Rico (Cidra Municipio County) through 96 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 109 total violations for this system , of which 46 (42%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 38 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 44 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Asoc. de Agua Sector Pelegrin Santos's 109 violations sit below 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
256
Total Violations
109
Health-Based Violations
46
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
96
County
Cidra Municipio
School/Daycare
No
MCL Violations
44
Monitoring Violations
38
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 44 2015
Coliform (TCR) MR 31 2015
Revised Total Coliform Rule MON 7 2022
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024

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 Asoc. de Agua Sector Pelegrin Santos.

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 PR0521035 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 / PR0521035 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / PR0521035 / 5200
2022 Revised Total Coliform Rule MON 7 SDWIS / PR0521035 / 8000
2015 Coliform (TCR) MCL 44 SDWIS / PR0521035 / 3100
2015 Coliform (TCR) MR 31 SDWIS / PR0521035 / 3100

How Asoc. de Agua Sector Pelegrin Santos Compares

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

Metric Asoc. de Agua Sector Pelegrin Santos Puerto Rico avg Federal benchmark
Total violations 109 358.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 46 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 256 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 Asoc. de Agua Sector Pelegrin Santos water safe to drink? ▼
Asoc. de Agua Sector Pelegrin Santos (PWS ID: PR0521035) has 109 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 256 people using Groundwater sources.
How many people does Asoc. de Agua Sector Pelegrin Santos serve? ▼
Asoc. de Agua Sector Pelegrin Santos serves 256 people in Cidra, Puerto Rico. It is a Private-owned system using Groundwater water sources with 96 service connections.
What type of violations does Asoc. de Agua Sector Pelegrin Santos have? ▼
Asoc. de Agua Sector Pelegrin Santos has 109 total violations: 46 health-based violations (MCL exceedances or treatment failures), 38 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Asoc. de Agua Sector Pelegrin Santos water? ▼
No PFAS testing data is available for Asoc. de Agua Sector Pelegrin Santos under the EPA's UCMR5 monitoring program.
What water source does Asoc. de Agua Sector Pelegrin Santos use? ▼
Asoc. de Agua Sector Pelegrin Santos uses Groundwater 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. 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.