WaterVerge

Is Jayuya, PR Tap Water Safe to Drink?

Graded B+, with 12 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: PR0003062
Overall Score
83.6 / 100
Violations
12 active
Last Updated
May 2026
Source
Surface water
#3 of 101 in Puerto Rico Top 40% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.6/100
waterverge.com
B+ 83.6/100

Jayuya, PR — Water Quality Report

Jayuya's drinking water received a grade of B+ (83.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,364 residents using surface water.

Lead levels were measured at 3.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 86 violations on record, including 6 health-based violations. 12 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Jayuya's water

Jayuya ranks #3 out of 101 cities in Puerto Rico for water quality, placing it one of the best in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Jayuya may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
83.6 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
35.6/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
19/20
A
Lead at 3.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Jayuya, PR water safe to drink?

Concerns Identified

Jayuya's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,364 residents using surface water (rivers, lakes, or reservoirs).

12
Active Violations
3.0 ppb
Lead (90th %ile)

Recent water quality updates for Jayuya

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Jayuya's water quality assessment. Grade: B+ (83.6/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Jayuya's water supply.

Lead Within Limits
Detected: 3.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Jayuya's water system has 86 total violations on record, including 6 health-based violations. 12 remain unresolved. 1 violation was issued in the last 5 years.

OtherMRTT
Most recent violations:
Jul 2022 Consumer Confidence Rule Open
Jul 2020 Consumer Confidence Rule Open
Dec 2019 Surface Water Treatment Rule Resolved
Sep 2019 Surface Water Treatment Rule Resolved
Jan 2019 E. COLI Resolved

Where does Jayuya's water come from?

Jayuya's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,364 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Canal De Juana Diaz (stream), Rio Grande De Arecibo Nr Adjuntas (river), Lago Adjuntas (lake), Rio Grande De Arecibo (river), Lago Vivi (lake).

What Jayuya residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Jayuya's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
3.0 ppb
EPA Action Level: 15 ppb · 20% of limit
Safe Level
Compliance Record

Violation summary

86
Total violations
6
Health-based
12
Active / unresolved
Jul 2022
Most recent violation
Compliance Record

Violations & advisories

86 Total
12 Active
6 Health-based
74 Resolved
Violations by category
Synthetic Organic Chemicals
36
Inorganic Chemicals
19
Surface Water Treatment Rule
7
Lead and Copper Rule
6
Long Term 2 Enhanced Surface Water Treatment Rule
5
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Oct 2018 Active
Consumer Confidence Rule
Other Violation 0
Oct 2016 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health 0
Jan 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Jul 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2009 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2009 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Dec 2019 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Sep 2019 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2019
Jan 2019 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2019
Jan 2019 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2019
Jan 2019 Resolved
BHC-GAMMA
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2019
Jan 2019 Resolved
Toxaphene
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2019
Jan 2019 Resolved
Heptachlor epoxide
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2019
Jan 2019 Resolved
HEXACHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2019
Showing 20 of 86 violations

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 11.0 ppb from 1993 (14.0 ppb) to 2006 (3.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
1,364
Water Systems
1
Water Source

Where Jayuya's water comes from

Surface Water

Jayuya's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 1,364 people through 1 water system.

Local Hydrology

Water bodies near Jayuya

Jayuya is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Canal De Juana Diaz
stream
Rio Grande De Arecibo Nr Adjuntas
river
Lago Adjuntas
lake
Rio Grande De Arecibo
river
Lago Vivi
lake
Infrastructure

Water systems serving Jayuya

System Name PWSID Population Source
MAMEYES ARRIBA PR0003062 1,364 SW
Regional Comparison

How Jayuya compares

Full Puerto Rico rankings →

Jayuya's score of 83.6/100 is above the average of 38/100 among major Puerto Rico cities. It outscores 10 of 10 nearby cities.

Jayuya (this city)
83.6
Bayamon
38.5
Bayamon
38.5
Bayamon
38.5
Ponce
34.9
Mayaguez
42.1
Puerto Rico avg
38
City Profile

About Jayuya, PR

Wikipedia →

Jayuya is a town and municipality of Puerto Rico located in the mountainous center region of the island, north of Ponce; east of Utuado; and west of Ciales. Jayuya is spread over 10 barrios and Jayuya Pueblo. It is the principal city of the Jayuya Micropolitan Statistical Area.

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Frequently asked questions

Is Jayuya, PR tap water safe to drink?

Jayuya's water quality earned a grade of B+ (83.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #3 out of 101 cities tested in Puerto Rico.

What contaminants are in Jayuya's water?

Lead was measured at 3.0 ppb (90th percentile). 86 violations are on record.

How is Jayuya's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Jayuya?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Jayuya's water come from?

Jayuya's water is sourced from Surface water. The city has 1 water system serving approximately 1,364 residents.

What health violations has Jayuya's water system had?

Jayuya has 6 health-based violations on record. The most recent violation was recorded in July 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 12 violations remain unresolved.

How does Jayuya's water compare to other cities?

Jayuya ranks #3 out of 101 cities in Puerto Rico (better than 97% of state cities) and #6338 out of 15744 cities nationally (60th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Jayuya's small water system affect quality?

Jayuya's system serves approximately 1,364 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 86 violations on record.