C43/100
Claremore Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 59,077 residents · Oklahoma
What's In Claremore's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 279.00 µg/L | — | Above Goal |
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
5
Health-Related
TIER 1 — URGENTResolved
Violation related to Nitrate
When: July 1, 2022 – July 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: 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
ROGERS CO RWD # 5
Population Served
11,782
Water Source
Surface Water
System ID
OK1021507
CLAREMORE
Population Served
15,873
Water Source
Surface Water
System ID
OK1021512
ROGERS CO RWD # 3 LAKE PLANT
Population Served
10,470
Water Source
Surface Water
System ID
OK1021513
ROGERS CO RWD # 2
Population Served
2,750
Water Source
Purchased Surface Water
System ID
OK3006603
ROGERS CO RWD # 7
Population Served
3,040
Water Source
Purchased Surface Water
System ID
OK3006604
ROGERS CO RWD # 9
Population Served
1,037
Water Source
Purchased Surface Water
System ID
OK3006605
ROGERS CO RWD # 8
Population Served
3,375
Water Source
Purchased Surface Water
System ID
OK3006606
ROGERS CO RWD # 3 COT STA
Population Served
10,750
Water Source
Purchased Surface Water
System ID
OK3006650
Frequently Asked Questions About Claremore Water
Is Claremore tap water safe to drink?
Claremore, Oklahoma tap water receives a grade of C (43/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 246 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Claremore's water?
Of the 70 contaminants tested in Claremore's water supply, the most notable include Copper (90th percentile), Lead (90th percentile), chlorate. 1 contaminant(s) exceed EPA legal limits (MCLs). 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Claremore have any water quality violations?
Yes, Claremore has 246 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, RPT. 149 of these are health-based violations, which are the most serious category.
Do I need a water filter in Claremore?
Based on EPA data, using a water filter in Claremore is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Claremore's tap water come from?
Claremore's drinking water is sourced from surface water and supplied by ROGERS CO RWD # 5 and 7 other water system(s). The system serves approximately 59,077 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Claremore'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. Claremore'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 Claremore's water compare to other cities in Oklahoma?
Claremore's water quality score of 43/100 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 Claremore's water quality?
If you have concerns about Claremore'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 (ROGERS CO RWD # 5) 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.