TapScore

Tropical Drinking Water Water Quality Report

Population

47

people served

Water Source

🏔️ Ground

wells & aquifers

National Rank

Top 94%

of 49,184 US systems

5-Year Record

⚠️ 388

violations recorded

D

Poor

Safety Grade

388 violations in the past 5 years, including 3 health-based

System Details

PWSID
MP0000242
Population Served
47
Water Source
Ground Water
Owner
Private
State
Northern Mariana Islands
EPA Region
9

Contaminants of Concern

ContaminantStatusViolations
Nitrate⚠ Monitoring/Reporting11
Nitrite⚠ Monitoring/Reporting3
Contaminant 2005⚠ Monitoring/Reporting3
Contaminant 2010⚠ Monitoring/Reporting3
Contaminant 2015⚠ Monitoring/Reporting3
Contaminant 2020⚠ Monitoring/Reporting3
Contaminant 2031⚠ Monitoring/Reporting3
Contaminant 2035⚠ Monitoring/Reporting3
Contaminant 2036⚠ Monitoring/Reporting6
Contaminant 2037⚠ Monitoring/Reporting3
Contaminant 2039⚠ Monitoring/Reporting3
Contaminant 2040⚠ Monitoring/Reporting3
Contaminant 2041⚠ Monitoring/Reporting3
Contaminant 2042⚠ Monitoring/Reporting3
Contaminant 2046⚠ Monitoring/Reporting6
Atrazine⚠ Monitoring/Reporting3
Benzene⚠ Monitoring/Reporting3
Contaminant 2065⚠ Monitoring/Reporting3
Contaminant 2067⚠ Monitoring/Reporting3
Contaminant 2105⚠ Monitoring/Reporting3
Contaminant 2110⚠ Monitoring/Reporting3
Contaminant 2274⚠ Monitoring/Reporting3
Contaminant 2306⚠ Monitoring/Reporting3
Contaminant 2326⚠ Monitoring/Reporting3
Contaminant 2378⚠ Monitoring/Reporting11
Vinyl Chloride⚠ Monitoring/Reporting11
Contaminant 2383⚠ Monitoring/Reporting3
Contaminant 2931⚠ Monitoring/Reporting3
Contaminant 2946⚠ Monitoring/Reporting3
Contaminant 2955⚠ Monitoring/Reporting11
Contaminant 2959⚠ Monitoring/Reporting3
Trichloroethylene (TCE)⚠ Monitoring/Reporting11
Contaminant 2968⚠ Monitoring/Reporting11
Tetrachloroethylene (PCE)⚠ Monitoring/Reporting11
Contaminant 2976⚠ Monitoring/Reporting11
Contaminant 2977⚠ Monitoring/Reporting11
Contaminant 2979⚠ Monitoring/Reporting11
Contaminant 2980⚠ Monitoring/Reporting11
Contaminant 2981⚠ Monitoring/Reporting11
Contaminant 2982⚠ Monitoring/Reporting11
Contaminant 2983⚠ Monitoring/Reporting11
Chloramine⚠ Monitoring/Reporting11
Contaminant 2985⚠ Monitoring/Reporting11
Contaminant 2987⚠ Monitoring/Reporting11
Contaminant 2989⚠ Monitoring/Reporting11
Contaminant 2990⚠ Monitoring/Reporting11
Contaminant 2991⚠ Monitoring/Reporting11
Contaminant 2992⚠ Monitoring/Reporting11
Contaminant 2996⚠ Monitoring/Reporting11
Gross Alpha⚠ Monitoring/Reporting3
Uranium⚠ Monitoring/Reporting3
Radium-226⚠ Monitoring/Reporting3
Haloacetic Acids (HAA5)⚠ Monitoring/Reporting11
Total Trihalomethanes (TTHMs)⚠ Monitoring/Reporting11
Contaminant 8000✕ Health-Based10
Total Coliform⚠ Monitoring/Reporting1
Contaminant 5000⚠ Monitoring/Reporting16
Contaminant 7500⚠ Monitoring/Reporting1

Violation History

2025
1
2024
4
2023
116
2022
102
2021
165

Total violations on record: 388

Service Area

Cities Served

SAIPAN

ZIP Codes Served

96950

Recommended Water Filters

Based on contaminants detected in this water system:

Reverse Osmosis System

Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates

Removes: Nitrate, Nitrite, Uranium, Radium-226

$150–$400

Activated Carbon Filter

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

Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Atrazine, Benzene, Trichloroethylene (TCE), Tetrachloroethylene (PCE), Vinyl Chloride

$20–$100

UV Water Purifier

Kills bacteria and viruses without chemicals

Removes: Total Coliform

$50–$150

How does this compare?

This systemNational average
Grade D
Avg: B-C
388violations total

1386% of national average

National avg: ~28 per system

🏘️ Small community water system.