D30/100
Iota Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,842 residents · Louisiana
What's In Iota'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) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
13
Violations (last 5yr)
0
Unresolved
11
Health-Related
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 29, 2024 – December 13, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 29, 2024 – March 14, 2025Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 29, 2024 – March 14, 2025Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 29, 2024 – March 14, 2025Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 29, 2024 – September 3, 2025Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 29, 2024Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 29, 2024 – December 13, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 29, 2024 – March 14, 2025Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 29, 2024 – March 14, 2025Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: June 17, 2022 – February 28, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: May 12, 2022 – January 31, 2023Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: May 12, 2022 – January 31, 2023Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 9, 2022 – January 16, 2025Rule: Ground Water RuleEnforcement: 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
TOWN OF IOTA WATER SYSTEM
Population Served
1,842
Water Source
Groundwater
System ID
LA1001004
Frequently Asked Questions About Iota Water
Is Iota tap water safe to drink?
Iota, Louisiana tap water receives a grade of D (30/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 19 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Iota's water?
Of the 1 contaminants tested in Iota'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 Iota have any water quality violations?
Yes, Iota has 19 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other, MR. 12 of these are health-based violations, which are the most serious category.
Do I need a water filter in Iota?
Iota 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 Iota's tap water come from?
Iota's drinking water is sourced from groundwater and supplied by TOWN OF IOTA WATER SYSTEM. The system serves approximately 1,842 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Iota'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. Iota'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 Iota's water compare to other cities in Louisiana?
Iota's water quality score of 30/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Louisiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Iota's water quality?
If you have concerns about Iota'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 (TOWN OF IOTA 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.