F0/100
Oakley Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,026 residents · Kansas
What's In Oakley's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
11
Violations (last 5yr)
9
Unresolved
11
Health-Related
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (single sample)
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (single sample)
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (single sample)
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (single sample)
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (single sample)
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (single sample)
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (single sample)
TIER 1 — URGENTResolved
Exceeded the Maximum Contaminant Level (single sample)
When: October 1, 2022 – December 31, 2022Enforcement: Formal — state order issued
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (single sample)
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (single sample)
TIER 1 — URGENTResolved
Exceeded the Maximum Contaminant Level (single sample)
When: July 1, 2021 – September 30, 2021Enforcement: Formal — state order issued
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
OAKLEY, CITY OF
Population Served
2,026
Water Source
Groundwater
System ID
KS2010901
Frequently Asked Questions About Oakley Water
Is Oakley tap water safe to drink?
Oakley, Kansas tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 40 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Oakley's water?
Of the 1 contaminants tested in Oakley's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Oakley have any water quality violations?
Yes, Oakley has 40 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, Other, MR. 20 of these are health-based violations, which are the most serious category.
Do I need a water filter in Oakley?
Oakley 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. 1 contaminant(s) exceed these stricter goals.
Where does Oakley's tap water come from?
Oakley's drinking water is sourced from groundwater and supplied by OAKLEY, CITY OF. The system serves approximately 2,026 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Oakley'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. Oakley'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 Oakley's water compare to other cities in Kansas?
Oakley's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Kansas state page to see how all cities in the state compare.
What should I do if I'm concerned about Oakley's water quality?
If you have concerns about Oakley'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 (OAKLEY, CITY OF) 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.