C56/100
Oak Grove Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 6,681 residents · Louisiana
What's In Oak Grove's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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
FISKE UNION WATER SYSTEM
Population Served
1,830
Water Source
Groundwater
System ID
LA1123002
GOODWILL WATER SYSTEM
Population Served
1,896
Water Source
Groundwater
System ID
LA1123004
OAK GROVE WATER SYSTEM
Population Served
2,955
Water Source
Groundwater
System ID
LA1123006
Frequently Asked Questions About Oak Grove Water
Is Oak Grove tap water safe to drink?
Oak Grove, Louisiana tap water receives a grade of C (56/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 46 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Oak Grove's water?
Of the 9 contaminants tested in Oak Grove's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Oak Grove have any water quality violations?
Yes, Oak Grove has 46 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, MR, Other. 18 of these are health-based violations, which are the most serious category.
Do I need a water filter in Oak Grove?
Based on EPA data, using a water filter in Oak Grove 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 Oak Grove's tap water come from?
Oak Grove's drinking water is sourced from groundwater and supplied by FISKE UNION WATER SYSTEM and 2 other water system(s). The system serves approximately 6,681 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Oak Grove'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. Oak Grove'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 Oak Grove's water compare to other cities in Louisiana?
Oak Grove'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 Louisiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Oak Grove's water quality?
If you have concerns about Oak Grove'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 (FISKE UNION WATER SYSTEM) 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.