PlainWater

Community Water System · PWS PR0002822

Sabana Hoyos

Arecibo, Puerto Rico 00612 - drinking water served from surface water sources to 15,876 people, tracked in EPA SDWIS and UCMR5.

15,876
People served
100
EPA violations
25
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 100 drinking-water violations at Sabana Hoyos, 25% of them health-based - below the Puerto Rico per-system average.

100
Total EPA violations on record
25%
Health-based (MCL / treatment failure)
15,876
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sabana Hoyos

Sabana Hoyos is a local-owned community water system that delivers drinking water to 15,876 residents in Arecibo, Puerto Rico (Arecibo Municipio County) through 5,946 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 100 total violations for this system , of which 25 (25%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 69 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 24 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%).

Sabana Hoyos's 100 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
15,876
Total Violations
100
Health-Based Violations
25
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,946
County
Arecibo Municipio
School/Daycare
No
MCL Violations
25
Monitoring Violations
69
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 24 2016
TTHM MR 24 2016
TTHM MCL 14 2018
Coliform (TCR) MCL 8 2013
Lead and Copper Rule MR 5 2016
Consumer Confidence Rule Other 4 2020
Total Haloacetic Acids (HAA5) MCL 3 2015
Arsenic MR 3 2007
Antimony, Total MR 2 2007
Barium MR 1 2007
Thallium, Total MR 1 2007
Selenium MR 1 2007
Gross Alpha, Excl. Radon and U MR 1 1980
Combined Radium (-226 and -228) MR 1 1980
Chromium MR 1 2007
Nickel MR 1 2007
Cadmium MR 1 2007
Beryllium, Total MR 1 2007
Coliform (TCR) MR 1 2003
Mercury MR 1 2007

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
ADONA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 8/27/2024 <20.00 ppt 20.00 ppt Not Detected
9Cl-PF3ONS 8/27/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/27/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
PFBS 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 8/27/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/27/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 8/27/2024 <8.00 ppt 8.00 ppt Not Detected
4:2 FTS 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 5/22/2024 <6.00 ppt 6.00 ppt Not Detected
PFTA 5/22/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 5/22/2024 <7.00 ppt 7.00 ppt Not Detected
PFDA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
ADONA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFMBA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFPeA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 5/22/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 5/22/2024 <2.00 ppt 2.00 ppt Not Detected
NFDHA 5/22/2024 <20.00 ppt 20.00 ppt Not Detected
PFHpS 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFPeS 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxA 5/22/2024 <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 Sabana Hoyos.

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 PR0002822 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
2020 Consumer Confidence Rule Other 4 SDWIS / PR0002822 / 7000
2018 TTHM MCL 14 SDWIS / PR0002822 / 2950
2016 Total Haloacetic Acids (HAA5) MR 24 SDWIS / PR0002822 / 2456
2016 TTHM MR 24 SDWIS / PR0002822 / 2950
2016 Lead and Copper Rule MR 5 SDWIS / PR0002822 / 5000
2015 Total Haloacetic Acids (HAA5) MCL 3 SDWIS / PR0002822 / 2456
2013 Coliform (TCR) MCL 8 SDWIS / PR0002822 / 3100
2007 Arsenic MR 3 SDWIS / PR0002822 / 1005
2007 Antimony, Total MR 2 SDWIS / PR0002822 / 1074
2007 Barium MR 1 SDWIS / PR0002822 / 1010
2007 Thallium, Total MR 1 SDWIS / PR0002822 / 1085
2007 Selenium MR 1 SDWIS / PR0002822 / 1045
2007 Chromium MR 1 SDWIS / PR0002822 / 1020
2007 Nickel MR 1 SDWIS / PR0002822 / 1036
2007 Cadmium MR 1 SDWIS / PR0002822 / 1015

How Sabana Hoyos Compares

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

Metric Sabana Hoyos Puerto Rico avg Federal benchmark
Total violations 100 358.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 25 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 15,876 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 Sabana Hoyos water safe to drink?
Sabana Hoyos (PWS ID: PR0002822) has 100 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 15,876 people using Surface Water sources.
How many people does Sabana Hoyos serve?
Sabana Hoyos serves 15,876 people in Arecibo, Puerto Rico. It is a Local-owned system using Surface Water water sources with 5,946 service connections.
What type of violations does Sabana Hoyos have?
Sabana Hoyos has 100 total violations: 25 health-based violations (MCL exceedances or treatment failures), 69 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sabana Hoyos water?
No. Sabana Hoyos was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Sabana Hoyos use?
Sabana Hoyos 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.
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.