PlainWater

Community Water System · PWS PR0005416

Jagual

San Lorenzo, Puerto Rico 00754 - drinking water served from surface water sources to 3,992 people, tracked in EPA SDWIS and UCMR5.

3,992
People served
224
EPA violations
38
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 224 drinking-water violations at Jagual, 17% of them health-based - below the Puerto Rico per-system average.

224
Total EPA violations on record
17%
Health-based (MCL / treatment failure)
3,992
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Jagual

Jagual is a local-owned community water system that delivers drinking water to 3,992 residents in San Lorenzo, Puerto Rico (San Lorenzo Municipio County) through 1,495 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 224 total violations for this system , of which 38 (17%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 149 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 Surface Water Treatment Rule, recorded in 92 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%).

Jagual's 224 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
3,992
Total Violations
224
Health-Based Violations
38
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,495
County
San Lorenzo Municipio
School/Daycare
No
MCL Violations
15
Monitoring Violations
149
Treatment Tech Violations
23

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 92 2018
Surface Water Treatment Rule TT 16 2005
Coliform (TCR) MR 8 2014
TTHM MCL 8 2018
Coliform (TCR) MCL 6 2003
Cryptosporidium MR 6 2011
Lead and Copper Rule MR 6 2015
CARBON, TOTAL TT 6 2014
Consumer Confidence Rule Other 5 2022
E. COLI MR 4 2019
Interim Enhanced Surface Water Treatment Rule MR 2 2006
1,2-DIBROMO-3-CHLOROPROPANE MR 1 1998
LASSO MR 1 1998
Benzo(a)pyrene MR 1 1998
Chlordane MR 1 1998
Di(2-ethylhexyl) adipate MR 1 1998
Dinoseb MR 1 1998
Diquat MR 1 1998
Endothall MR 1 1998
Endrin MR 1 1998
ETHYLENE DIBROMIDE MR 1 1998
Glyphosate MR 1 1998
Heptachlor epoxide MR 1 1998
HEXACHLOROBENZENE MR 1 1998
Hexachlorocyclopentadiene MR 1 1998
BHC-GAMMA MR 1 1998
Pentachlorophenol MR 1 1998
OXAMYL MR 1 1998
Simazine MR 1 1998
CARBON, TOTAL 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
PFPeA 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/21/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/21/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/21/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 8/21/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFMPA 8/21/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 8/21/2023 <2.00 ppt 2.00 ppt Not Detected
PFMBA 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/21/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 8/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/21/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/21/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/21/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/21/2023 <6.00 ppt 6.00 ppt Not Detected
8:2 FTS 8/21/2023 <5.00 ppt 5.00 ppt Not Detected
PFNA 8/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/21/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/21/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 8/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 5/17/2023 <7.00 ppt 7.00 ppt Not Detected
8:2 FTS 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 5/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/17/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 5/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 5/17/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 5/17/2023 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 5/17/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 5/17/2023 <2.00 ppt 2.00 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 Jagual.

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 PR0005416 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 / PR0005416 / 7000
2019 E. COLI MR 4 SDWIS / PR0005416 / 3014
2018 Surface Water Treatment Rule MR 92 SDWIS / PR0005416 / 0200
2018 TTHM MCL 8 SDWIS / PR0005416 / 2950
2015 Lead and Copper Rule MR 6 SDWIS / PR0005416 / 5000
2014 Coliform (TCR) MR 8 SDWIS / PR0005416 / 3100
2014 CARBON, TOTAL TT 6 SDWIS / PR0005416 / 2920
2011 Cryptosporidium MR 6 SDWIS / PR0005416 / 3015
2007 CARBON, TOTAL MR 1 SDWIS / PR0005416 / 2920
2007 Total Haloacetic Acids (HAA5) MCL 1 SDWIS / PR0005416 / 2456
2006 Interim Enhanced Surface Water Treatment Rule MR 2 SDWIS / PR0005416 / 0300
2006 Interim Enhanced Surface Water Treatment Rule TT 1 SDWIS / PR0005416 / 0300
2005 Surface Water Treatment Rule TT 16 SDWIS / PR0005416 / 0200
2005 TTHM MR 1 SDWIS / PR0005416 / 2950
2003 Coliform (TCR) MCL 6 SDWIS / PR0005416 / 3100

How Jagual Compares

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

Metric Jagual Puerto Rico avg Federal benchmark
Total violations 224 358.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 38 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 3,992 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 Jagual water safe to drink?
Jagual (PWS ID: PR0005416) has 224 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,992 people using Surface Water sources.
How many people does Jagual serve?
Jagual serves 3,992 people in San Lorenzo, Puerto Rico. It is a Local-owned system using Surface Water water sources with 1,495 service connections.
What type of violations does Jagual have?
Jagual has 224 total violations: 38 health-based violations (MCL exceedances or treatment failures), 149 monitoring/reporting violations, and 23 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Jagual water?
No. Jagual was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Jagual use?
Jagual 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.