TapScore

KNOLL TERRACE MHP Water Quality Report

Population

254

people served

Water Source

🏔️ Ground

wells & aquifers

National Rank

Top 90%

of 49,184 US systems

5-Year Record

⚠️ 72

violations recorded

C

Fair

Safety Grade

72 violations in the past 5 years, including 2 health-based

System Details

PWSID
NC0291102
Population Served
254
Water Source
Ground Water
Owner
Private
State
North Carolina
EPA Region
4

Contaminants of Concern

ContaminantStatusViolations
Contaminant 7000⚠ Monitoring/Reporting8
Contaminant 5000✕ Health-Based5
Contaminant 7500⚠ Monitoring/Reporting10
Total Trihalomethanes (TTHMs)⚠ Monitoring/Reporting9
Haloacetic Acids (HAA5)⚠ Monitoring/Reporting9
Gross Alpha⚠ Monitoring/Reporting1
Radium-226⚠ Monitoring/Reporting1
Selenium⚠ Monitoring/Reporting3
Thallium⚠ Monitoring/Reporting3
Beryllium⚠ Monitoring/Reporting4
Contaminant 1085⚠ Monitoring/Reporting4
Cadmium⚠ Monitoring/Reporting3
Arsenic⚠ Monitoring/Reporting4
Contaminant 1075⚠ Monitoring/Reporting3
Fluoride⚠ Monitoring/Reporting3
Barium⚠ Monitoring/Reporting4
Contaminant 1036⚠ Monitoring/Reporting4
Chromium⚠ Monitoring/Reporting4
Contaminant 8000⚠ Monitoring/Reporting2
Contaminant 2378⚠ Monitoring/Reporting3
Vinyl Chloride⚠ Monitoring/Reporting2
Contaminant 2955⚠ Monitoring/Reporting2
Trichloroethylene (TCE)⚠ Monitoring/Reporting2
Contaminant 2968⚠ Monitoring/Reporting2
Tetrachloroethylene (PCE)⚠ Monitoring/Reporting2
Contaminant 2976⚠ Monitoring/Reporting2
Contaminant 2977⚠ Monitoring/Reporting2
Contaminant 2979⚠ Monitoring/Reporting2
Contaminant 2980⚠ Monitoring/Reporting2
Contaminant 2981⚠ Monitoring/Reporting2
Contaminant 2982⚠ Monitoring/Reporting2
Contaminant 2983⚠ Monitoring/Reporting2
Chloramine⚠ Monitoring/Reporting2
Contaminant 2985⚠ Monitoring/Reporting2
Contaminant 2987⚠ Monitoring/Reporting2
Contaminant 2989⚠ Monitoring/Reporting2
Contaminant 2990⚠ Monitoring/Reporting2
Contaminant 2991⚠ Monitoring/Reporting2
Contaminant 2992⚠ Monitoring/Reporting2
Contaminant 2996⚠ Monitoring/Reporting2
Contaminant 5200✕ Health-Based2
Nitrate⚠ Monitoring/Reporting2

Violation History

2024
5
2023
53
2022
4
2021
10
2020
39
2018
2
2016
1
2015
2
2014
2
2012
1

Total violations on record: 131

Service Area

Cities Served

FARMINGTON HILLS

ZIP Codes Served

48334

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: Arsenic, Nitrate, Radium-226, Fluoride, Cadmium, Chromium, Selenium, Barium

$150–$400

Activated Carbon Filter

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

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

$20–$100

Water Distiller

Removes heavy metals, minerals, and most contaminants through evaporation

Removes: Arsenic, Cadmium, Fluoride

$80–$200

How does this compare?

This systemNational average
Grade C
Avg: B-C
131violations total

468% of national average

National avg: ~28 per system

🏘️ Small community water system.