WaterVerge

Is Barranquitas, PR Tap Water Safe to Drink?

Graded B-, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: PR0004625
Overall Score
72.5 / 100
Violations
10 active
Last Updated
May 2026
Source
Surface water
#21 of 101 in Puerto Rico Top 66% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
72.5/100
waterverge.com
B- 72.5/100

Barranquitas, PR — Water Quality Report

Barranquitas's drinking water received a grade of B- (72.5 out of 100), indicating fair water quality. The city's 1 water system serves approximately 2,379 residents using surface water.

Lead levels were measured at 6.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 190 violations on record, including 69 health-based violations. 10 remain unresolved.

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

What to know about Barranquitas's water

Barranquitas ranks #21 out of 101 cities in Puerto Rico for water quality, placing it above average 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

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

Quality Breakdown

Water quality score

See methodology →
72.5 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
26.5/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
17/20
B
Lead at 6.0 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 Barranquitas, PR water safe to drink?

Concerns Identified

Barranquitas's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (72.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,379 residents using surface water (rivers, lakes, or reservoirs).

10
Active Violations
6.0 ppb
Lead (90th %ile)

Recent water quality updates for Barranquitas

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Barranquitas's water quality assessment. Grade: B- (72.5/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

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

Lead Elevated
Detected: 6.0 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Violation history

Barranquitas's water system has 190 total violations on record, including 69 health-based violations. 10 remain unresolved. 1 violation was issued in the last 5 years.

MONOtherTTMRMCL
Most recent violations:
Jul 2021 Revised Total Coliform Rule Resolved
Jul 2020 Consumer Confidence Rule Open
Oct 2018 Consumer Confidence Rule Open
Oct 2016 Long Term 2 Enhanced Surface Water Treatment Rule Open
Oct 2015 Endrin Resolved

Where does Barranquitas's water come from?

Barranquitas's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,379 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Rio Grande De Manati (river), Rio Bauta Nr Orocovis (river), Rio De La Plata (river), Rio Usabon (river), Rio Arroyata (river).

What Barranquitas residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

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
6.0 ppb
EPA Action Level: 15 ppb · 40% of limit
Safe Level
Compliance Record

Violation summary

190
Total violations
69
Health-based
10
Active / unresolved
Jul 2021
Most recent violation
Compliance Record

Violations & advisories

190 Total
10 Active
69 Health-based
180 Resolved
Violations by category
Surface Water Treatment Rule
53
Synthetic Organic Chemicals
29
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
24
Inorganic Chemicals
21
Volatile Organic Chemicals
21
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 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
Jul 1992 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2021
Oct 2015 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Methoxychlor
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Dalapon
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Endothall
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Glyphosate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Di(2-ethylhexyl) adipate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
OXAMYL
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Picloram
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Showing 20 of 190 violations

Recommended water filters

Based on contaminants detected in Barranquitas's water supply, we recommend the following filter types.

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 6.0 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 6.0 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 2.0 ppb from 1993 (8.0 ppb) to 2014 (6.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
2,379
Water Systems
1
Water Source

Where Barranquitas's water comes from

Surface Water

Barranquitas'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 2,379 people through 1 water system.

Local Hydrology

Water bodies near Barranquitas

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

Rio Grande De Manati
river
Rio Bauta Nr Orocovis
river
Rio De La Plata
river
Rio Usabon
river
Rio Arroyata
river
Infrastructure

Water systems serving Barranquitas

System Name PWSID Population Source
BARRANCAS NUEVO PR0004625 2,379 SW
Regional Comparison

How Barranquitas compares

Full Puerto Rico rankings →

Barranquitas's score of 72.5/100 is above the average of 38/100 among major Puerto Rico cities. It outscores 10 of 10 nearby cities.

Barranquitas (this city)
72.5
Bayamon
38.5
Bayamon
38.5
Bayamon
38.5
Ponce
34.9
Mayaguez
42.1
Puerto Rico avg
38
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Frequently asked questions

Is Barranquitas, PR tap water safe to drink?

Barranquitas's water quality earned a grade of B- (72.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #21 out of 101 cities tested in Puerto Rico.

What contaminants are in Barranquitas's water?

Lead was measured at 6.0 ppb (90th percentile). 190 violations are on record.

How is Barranquitas'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 Barranquitas?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Barranquitas's water come from?

Barranquitas's water is sourced from Surface water. The city has 1 water system serving approximately 2,379 residents.

What health violations has Barranquitas's water system had?

Barranquitas has 69 health-based violations on record. The most recent violation was recorded in July 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

How does Barranquitas's water compare to other cities?

Barranquitas ranks #21 out of 101 cities in Puerto Rico (better than 79% of state cities) and #10305 out of 15744 cities nationally (35th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Barranquitas's small water system affect quality?

Barranquitas's system serves approximately 2,379 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 190 violations on record.