B62/100
Riddleton Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 5,345 residents · Tennessee
What's In Riddleton's Tap Water?
31
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
6
Violations (last 5yr)
0
Unresolved
4
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 1, 2024Enforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: 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 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – August 23, 2021Enforcement: 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
CORDELL HULL UTILITY DISTRICT
Population Served
3,220
Water Source
Purchased Surface Water
System ID
TN0000096
TWENTY FIVE UTILITY DISTRICT
Population Served
2,125
Water Source
Purchased Surface Water
System ID
TN0000718
Frequently Asked Questions About Riddleton Water
Is Riddleton tap water safe to drink?
Riddleton, Tennessee tap water receives a grade of B (62/100), which is considered good. Out of 31 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Riddleton's water?
Of the 31 contaminants tested in Riddleton'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 Riddleton have any water quality violations?
Yes, Riddleton has 37 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MCL, MR. 8 of these are health-based violations, which are the most serious category.
Do I need a water filter in Riddleton?
Riddleton 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 Riddleton's tap water come from?
Riddleton's drinking water is sourced from purchased surface water and supplied by CORDELL HULL UTILITY DISTRICT and 1 other water system(s). The system serves approximately 5,345 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Riddleton'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. Riddleton'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 Riddleton's water compare to other cities in Tennessee?
Riddleton's water quality score of 62/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Tennessee state page to see how all cities in the state compare.
What should I do if I'm concerned about Riddleton's water quality?
If you have concerns about Riddleton'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 (CORDELL HULL UTILITY DISTRICT) 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.