TapScore

SENECA-CAYUGA NATION Water Quality Report

Population

400

people served

Water Source

🏔️ Ground

wells & aquifers

National Rank

Top 90%

of 49,184 US systems

5-Year Record

⚠️ 437

violations recorded

C

Fair

Safety Grade

437 violations in the past 5 years, including 1 health-based

System Details

PWSID
OK1221644
Population Served
400
Water Source
Ground Water
Owner
Native American
State
Oklahoma
EPA Region
6

Contaminants of Concern

ContaminantStatusViolations
Contaminant 7000⚠ Monitoring/Reporting18
Contaminant 3100⚠ Monitoring/Reporting3
Contaminant 5000⚠ Monitoring/Reporting9
Contaminant 0999⚠ Monitoring/Reporting33
Contaminant 8000⚠ Monitoring/Reporting21
Contaminant 2378⚠ Monitoring/Reporting10
Vinyl Chloride⚠ Monitoring/Reporting10
Contaminant 2955⚠ Monitoring/Reporting10
Trichloroethylene (TCE)⚠ Monitoring/Reporting10
Contaminant 2968⚠ Monitoring/Reporting10
Tetrachloroethylene (PCE)⚠ Monitoring/Reporting10
Contaminant 2976⚠ Monitoring/Reporting10
Contaminant 2977⚠ Monitoring/Reporting10
Contaminant 2979⚠ Monitoring/Reporting10
Contaminant 2980⚠ Monitoring/Reporting10
Contaminant 2981⚠ Monitoring/Reporting10
Contaminant 2982⚠ Monitoring/Reporting10
Contaminant 2983⚠ Monitoring/Reporting10
Chloramine⚠ Monitoring/Reporting10
Contaminant 2985⚠ Monitoring/Reporting10
Contaminant 2987⚠ Monitoring/Reporting10
Contaminant 2989⚠ Monitoring/Reporting10
Contaminant 2990⚠ Monitoring/Reporting10
Contaminant 2991⚠ Monitoring/Reporting10
Contaminant 2992⚠ Monitoring/Reporting10
Contaminant 2996⚠ Monitoring/Reporting10
Antimony⚠ Monitoring/Reporting9
Total Coliform⚠ Monitoring/Reporting2
Arsenic⚠ Monitoring/Reporting2
Barium⚠ Monitoring/Reporting1
Cadmium⚠ Monitoring/Reporting1
Chromium⚠ Monitoring/Reporting1
Fluoride⚠ Monitoring/Reporting1
Selenium⚠ Monitoring/Reporting1
Contaminant 1036⚠ Monitoring/Reporting1
Beryllium⚠ Monitoring/Reporting1
Contaminant 1075⚠ Monitoring/Reporting1
Contaminant 1085⚠ Monitoring/Reporting1
Thallium⚠ Monitoring/Reporting1
Gross Alpha⚠ Monitoring/Reporting1
Uranium⚠ Monitoring/Reporting1
Radium-226⚠ Monitoring/Reporting1
Contaminant 4100⚠ Monitoring/Reporting1
Total Trihalomethanes (TTHMs)⚠ Monitoring/Reporting3
Haloacetic Acids (HAA5)⚠ Monitoring/Reporting3
Contaminant 7500⚠ Monitoring/Reporting28
Contaminant 2005⚠ Monitoring/Reporting7
Contaminant 2010⚠ Monitoring/Reporting7
Contaminant 2015⚠ Monitoring/Reporting7
Contaminant 2020⚠ Monitoring/Reporting7
Contaminant 2031⚠ Monitoring/Reporting7
Contaminant 2032⚠ Monitoring/Reporting7
Contaminant 2033⚠ Monitoring/Reporting7
Contaminant 2034⚠ Monitoring/Reporting7
Contaminant 2035⚠ Monitoring/Reporting7
Contaminant 2036⚠ Monitoring/Reporting7
Contaminant 2037⚠ Monitoring/Reporting7
Contaminant 2039⚠ Monitoring/Reporting7
Contaminant 2040⚠ Monitoring/Reporting7
Contaminant 2041⚠ Monitoring/Reporting7
Contaminant 2042⚠ Monitoring/Reporting7
Contaminant 2046⚠ Monitoring/Reporting7
Atrazine⚠ Monitoring/Reporting7
Benzene⚠ Monitoring/Reporting7
Contaminant 2065⚠ Monitoring/Reporting7
Contaminant 2067⚠ Monitoring/Reporting7
Contaminant 2105⚠ Monitoring/Reporting7
Contaminant 2110⚠ Monitoring/Reporting7
Contaminant 2274⚠ Monitoring/Reporting7
Contaminant 2306⚠ Monitoring/Reporting7
Contaminant 2326⚠ Monitoring/Reporting7
Contaminant 2383⚠ Monitoring/Reporting7
Contaminant 2931⚠ Monitoring/Reporting7
Contaminant 2946⚠ Monitoring/Reporting7
Contaminant 2959⚠ Monitoring/Reporting7
Contaminant 5200✕ Health-Based2

Violation History

2025
61
2024
158
2023
75
2022
76
2021
67
2020
16
2019
8
2018
19
2017
59
2016
2

Total violations on record: 560

Service Area

Cities Served

GROVE

ZIP Codes Served

74345-3220

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, Uranium, 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), Atrazine, Benzene, 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

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
560violations total

2000% of national average

National avg: ~28 per system

🏘️ Small community water system.