PlainWater

Community Water System · PWS PR0003333

Sabana Grande

Utuado, Puerto Rico 00641 - drinking water served from surface water sources to 25,229 people, tracked in EPA SDWIS and UCMR5.

25,229
People served
647
EPA violations
107
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 647 drinking-water violations at Sabana Grande, 17% of them health-based - above the Puerto Rico per-system average, and UCMR5 testing detected 1 PFAS compound.

647
Total EPA violations on record
17%
Health-based (MCL / treatment failure)
25,229
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sabana Grande

Sabana Grande is a local-owned community water system that delivers drinking water to 25,229 residents in Utuado, Puerto Rico (Sabana Grande Municipio County) through 9,449 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 647 total violations for this system , of which 107 (17%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 524 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 TTHM, recorded in 27 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 5.7 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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 Grande's 647 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
25,229
Total Violations
647
Health-Based Violations
107
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
9,449
County
Sabana Grande Municipio
School/Daycare
No
MCL Violations
62
Monitoring Violations
524
Treatment Tech Violations
45

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 27 2020
Cryptosporidium MR 24 2018
1,2,4-Trichlorobenzene MR 20 2017
cis-1,2-Dichloroethylene MR 20 2017
DICHLOROMETHANE MR 20 2017
o-Dichlorobenzene MR 20 2017
p-Dichlorobenzene MR 20 2017
Vinyl chloride MR 20 2017
trans-1,2-Dichloroethylene MR 20 2017
Carbon tetrachloride MR 20 2017
1,2-Dichloropropane MR 20 2017
Trichloroethylene MR 20 2017
CHLOROBENZENE MR 20 2017
Toluene MR 20 2017
Ethylbenzene MR 20 2017
Styrene MR 20 2017
Xylenes, Total MR 20 2017
Tetrachloroethylene MR 20 2017
Benzene MR 20 2017
1,1-Dichloroethylene MR 20 2017
1,2-Dichloroethane MR 20 2017
1,1,2-Trichloroethane MR 20 2017
Turbidity MR 20 2018
E. COLI MR 20 2018
1,1,1-Trichloroethane MR 20 2017
Surface Water Treatment Rule TT 19 2000
Total Haloacetic Acids (HAA5) MCL 18 2018
CARBON, TOTAL TT 17 2011
Coliform (TCR) MCL 13 2010
Interim Enhanced Surface Water Treatment Rule TT 9 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFDoA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/22/2024 <6.00 ppt 6.00 ppt Not Detected
PFOA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFTA 7/22/2024 <8.00 ppt 8.00 ppt Not Detected
PFNA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 7/22/2024 <7.00 ppt 7.00 ppt Not Detected
PFHxS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 7/22/2024 <20.00 ppt 20.00 ppt Not Detected
PFMBA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/22/2024 <2.00 ppt 2.00 ppt Not Detected
4:2 FTS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFBA 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/22/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFOA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFOS 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/22/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 7/22/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/22/2024 5.70 ppt 5.00 ppt Detected
PFHpA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/22/2024 <20.00 ppt 20.00 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 Grande.

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 PR0003333 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 Interim Enhanced Surface Water Treatment Rule TT 9 SDWIS / PR0003333 / 0300
2022 Surface Water Treatment Rule MR 9 SDWIS / PR0003333 / 0200
2020 TTHM MCL 27 SDWIS / PR0003333 / 2950
2020 Consumer Confidence Rule Other 4 SDWIS / PR0003333 / 7000
2018 Cryptosporidium MR 24 SDWIS / PR0003333 / 3015
2018 Turbidity MR 20 SDWIS / PR0003333 / 0100
2018 E. COLI MR 20 SDWIS / PR0003333 / 3014
2018 Total Haloacetic Acids (HAA5) MCL 18 SDWIS / PR0003333 / 2456
2017 1,2,4-Trichlorobenzene MR 20 SDWIS / PR0003333 / 2378
2017 cis-1,2-Dichloroethylene MR 20 SDWIS / PR0003333 / 2380
2017 DICHLOROMETHANE MR 20 SDWIS / PR0003333 / 2964
2017 o-Dichlorobenzene MR 20 SDWIS / PR0003333 / 2968
2017 p-Dichlorobenzene MR 20 SDWIS / PR0003333 / 2969
2017 Vinyl chloride MR 20 SDWIS / PR0003333 / 2976
2017 trans-1,2-Dichloroethylene MR 20 SDWIS / PR0003333 / 2979

How Sabana Grande Compares

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

Metric Sabana Grande Puerto Rico avg Federal benchmark
Total violations 647 358.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 107 75.7 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 40.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 25,229 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 Grande water safe to drink?
Sabana Grande (PWS ID: PR0003333) has 647 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 25,229 people using Surface Water sources.
How many people does Sabana Grande serve?
Sabana Grande serves 25,229 people in Utuado, Puerto Rico. It is a Local-owned system using Surface Water water sources with 9,449 service connections.
What type of violations does Sabana Grande have?
Sabana Grande has 647 total violations: 107 health-based violations (MCL exceedances or treatment failures), 524 monitoring/reporting violations, and 45 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sabana Grande water?
Yes. UCMR5 testing detected 1 PFAS compound in Sabana Grande's water supply: PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Sabana Grande use?
Sabana Grande 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.