LAS MARIAS Water Quality Report

Population

7,166

people served

Water Source

🌊 Surface

rivers, lakes, reservoirs

National Rank

Top 90%

of 49,184 US systems

5-Year Record

⚠️ 4

violations recorded

C

Fair

Safety Grade

4 violations in the past 5 years, including 10 health-based

System Details

PWSID
PR0003363
Population Served
7,166
Water Source
Surface Water
Owner
Local Government
State
Puerto Rico
EPA Region
2

Contaminants of Concern

ContaminantStatusViolations
Contaminant 5000 Monitoring/Reporting8
Contaminant 7000 Monitoring/Reporting5
Total Trihalomethanes (TTHMs) Health-Based12
Haloacetic Acids (HAA5) Monitoring/Reporting6
Contaminant 0100 Monitoring/Reporting16
Contaminant 3015 Monitoring/Reporting16
Total Coliform Monitoring/Reporting16
Contaminant 0300 Health-Based4

Violation History

2023
4
2020
2
2018
22
2017
30
2016
16
2015
2
2014
1
2011
2
2009
2
2001
1

Total violations on record: 83

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 C
Avg: B-C
83violations total

296% of national average

National avg: ~28 per system

📍 Average-sized water system.