ISABELA Water Quality Report

Population

49,419

people served

Water Source

🌊 Surface

rivers, lakes, reservoirs

National Rank

Top 43%

of 49,184 US systems

5-Year Record

✅ Clean

no violations

A

Safe

Safety Grade

0 violations in the past 5 years, including 14 health-based

System Details

PWSID
PR0002672
Population Served
49,419
Water Source
Surface Water
Owner
Local Government
State
Puerto Rico
EPA Region
2

Contaminants of Concern

ContaminantStatusViolations
Contaminant 5000 Monitoring/Reporting5
Contaminant 7000 Monitoring/Reporting5
Total Trihalomethanes (TTHMs) Health-Based12
Haloacetic Acids (HAA5) Health-Based8
Contaminant 0100 Monitoring/Reporting14
Contaminant 3015 Monitoring/Reporting14
Total Coliform Monitoring/Reporting14
Contaminant 8000 Health-Based4
Contaminant 0200 Monitoring/Reporting2

Violation History

2020
2
2019
2
2018
12
2017
36
2016
16
2015
6
2014
1
2012
2
1992
1

Total violations on record: 78

Service Area

Cities Served

ZIP Codes Served

Recommended Water Filters

Based on contaminants detected in this water system:

Activated Carbon Filter

Effective for chlorine, THMs, pesticides, and taste/odor improvement

Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)

$20–$100

UV Water Purifier

Kills bacteria and viruses without chemicals

Removes: Total Coliform

$50–$150

How does this compare?

This systemNational average
Grade A
Avg: B-C
78violations total

279% of national average

National avg: ~28 per system

📍 Mid-to-large system — serves 7× the national average.