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Community Water System · PWS PR0003435

Wilfredo Valentin

Santurce, Puerto Rico 00916 - drinking water served from groundwater sources to 929 people, tracked in EPA SDWIS and UCMR5.

929
People served
294
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 294 drinking-water violations at Wilfredo Valentin, 2% of them health-based - below the Puerto Rico per-system average.

294
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
929
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wilfredo Valentin

Wilfredo Valentin is a local-owned community water system that delivers drinking water to 929 residents in Santurce, Puerto Rico (San Sebastian Municipio County) through 348 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 294 total violations for this system , of which 5 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 284 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is cis-1,2-Dichloroethylene, recorded in 13 violations (MR). 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%).

Wilfredo Valentin's 294 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
929
Total Violations
294
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
348
County
San Sebastian Municipio
School/Daycare
No
MCL Violations
5
Monitoring Violations
284
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
cis-1,2-Dichloroethylene MR 13 2006
Xylenes, Total MR 13 2006
p-Dichlorobenzene MR 13 2006
1,1-Dichloroethylene MR 13 2006
1,2-Dichloroethane MR 13 2006
1,1,1-Trichloroethane MR 13 2006
Trichloroethylene MR 13 2006
1,1,2-Trichloroethane MR 13 2006
CHLOROBENZENE MR 13 2006
Benzene MR 13 2006
Toluene MR 13 2006
Styrene MR 13 2006
DICHLOROMETHANE MR 13 2006
o-Dichlorobenzene MR 13 2006
Vinyl chloride MR 13 2006
Carbon tetrachloride MR 13 2006
1,2,4-Trichlorobenzene MR 13 2006
Ethylbenzene MR 13 2006
trans-1,2-Dichloroethylene MR 13 2006
1,2-Dichloropropane MR 13 2006
Tetrachloroethylene MR 13 2006
Lead and Copper Rule MR 8 2015
Coliform (TCR) MCL 5 2008
Consumer Confidence Rule Other 5 2022
Coliform (TCR) MR 2 1998
Beryllium, Total MR 1 2007

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 Wilfredo Valentin.

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 PR0003435 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
2022 Consumer Confidence Rule Other 5 SDWIS / PR0003435 / 7000
2015 Lead and Copper Rule MR 8 SDWIS / PR0003435 / 5000
2008 Coliform (TCR) MCL 5 SDWIS / PR0003435 / 3100
2007 Beryllium, Total MR 1 SDWIS / PR0003435 / 1075
2006 cis-1,2-Dichloroethylene MR 13 SDWIS / PR0003435 / 2380
2006 Xylenes, Total MR 13 SDWIS / PR0003435 / 2955
2006 p-Dichlorobenzene MR 13 SDWIS / PR0003435 / 2969
2006 1,1-Dichloroethylene MR 13 SDWIS / PR0003435 / 2977
2006 1,2-Dichloroethane MR 13 SDWIS / PR0003435 / 2980
2006 1,1,1-Trichloroethane MR 13 SDWIS / PR0003435 / 2981
2006 Trichloroethylene MR 13 SDWIS / PR0003435 / 2984
2006 1,1,2-Trichloroethane MR 13 SDWIS / PR0003435 / 2985
2006 CHLOROBENZENE MR 13 SDWIS / PR0003435 / 2989
2006 Benzene MR 13 SDWIS / PR0003435 / 2990
2006 Toluene MR 13 SDWIS / PR0003435 / 2991

How Wilfredo Valentin Compares

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

Metric Wilfredo Valentin Puerto Rico avg Federal benchmark
Total violations 294 358.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 929 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 Wilfredo Valentin water safe to drink? ▼
Wilfredo Valentin (PWS ID: PR0003435) has 294 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 929 people using Groundwater sources.
How many people does Wilfredo Valentin serve? ▼
Wilfredo Valentin serves 929 people in Santurce, Puerto Rico. It is a Local-owned system using Groundwater water sources with 348 service connections.
What type of violations does Wilfredo Valentin have? ▼
Wilfredo Valentin has 294 total violations: 5 health-based violations (MCL exceedances or treatment failures), 284 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wilfredo Valentin water? ▼
No PFAS testing data is available for Wilfredo Valentin under the EPA's UCMR5 monitoring program.
What water source does Wilfredo Valentin use? ▼
Wilfredo Valentin 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.