C56/100
Big Cabin Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,750 residents · Oklahoma
What's In Big Cabin's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2022 – January 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2022 – January 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
MAYES CO RWD # 6
Population Served
3,750
Water Source
Surface Water
System ID
OK1021666
Frequently Asked Questions About Big Cabin Water
Is Big Cabin tap water safe to drink?
Big Cabin, Oklahoma tap water receives a grade of C (56/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 16 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Big Cabin's water?
31 contaminants were tested in Big Cabin's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Big Cabin have any water quality violations?
Yes, Big Cabin has 16 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, TT, MCL. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in Big Cabin?
Big Cabin water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Big Cabin's tap water come from?
Big Cabin's drinking water is sourced from surface water and supplied by MAYES CO RWD # 6. The system serves approximately 3,750 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Big Cabin's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Big Cabin's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Big Cabin's water compare to other cities in Oklahoma?
Big Cabin's water quality score of 56/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Oklahoma state page to see how all cities in the state compare.
What should I do if I'm concerned about Big Cabin's water quality?
If you have concerns about Big Cabin's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (MAYES CO RWD # 6) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.