C48/100
Cedar Grove Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,492 residents · Tennessee
What's In Cedar Grove'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
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
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
CEDAR GROVE U.D.
Population Served
1,492
Water Source
Groundwater
System ID
TN0000098
Frequently Asked Questions About Cedar Grove Water
Is Cedar Grove tap water safe to drink?
Cedar Grove, Tennessee tap water receives a grade of C (48/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 45 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Cedar Grove's water?
Of the 1 contaminants tested in Cedar Grove'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 Cedar Grove have any water quality violations?
Yes, Cedar Grove has 45 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Cedar Grove?
Cedar Grove 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 Cedar Grove's tap water come from?
Cedar Grove's drinking water is sourced from groundwater and supplied by CEDAR GROVE U.D.. The system serves approximately 1,492 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Cedar 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. Cedar 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 Cedar Grove's water compare to other cities in Tennessee?
Cedar Grove's water quality score of 48/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Tennessee state page to see how all cities in the state compare.
What should I do if I'm concerned about Cedar Grove's water quality?
If you have concerns about Cedar 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 (CEDAR GROVE U.D.) 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.