ZIP Code 46226 Water Quality Report
Indianapolis, IN · Marion County County
Water Safety Grade
Poor — Multiple violations recorded
Health Violations
5
Total Violations
26
Lead Risk
High
Contaminants
3
Active Water Quality Issues Detected
EPA records show 9 unresolved violations. Contact Citizens Water - Indianapolis for current status.
About Tap Water in ZIP Code 46226
Tap water in ZIP code 46226 (Indianapolis, IN) has received a D grade (score: 46/100) — below average for the nation. Citizens Water - Indianapolis has recorded notable violations with EPA Safe Drinking Water Act regulations. Residents may want to consider additional filtration and review their annual Consumer Confidence Report.
Water System
Citizens Water - Indianapolis
EPA ID: IN5249004
Water Source
Surface Water
Population Served
880,345 residents
County
Marion County County, Indiana
Lead Levels in ZIP 46226
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Level: 5.2 ppb — Below Action Level
Lead exposure risk in 46226 is rated High. EPA models estimate a 67% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This typically reflects older housing stock built before 1986 (when lead pipes were banned), aging distribution infrastructure, or detected lead levels in water samples. Families should prioritize getting their tap water tested independently and installing a certified lead-reducing filter.
EPA action level: 1.3 mg/L
From annual CCR filing
From annual CCR filing
EPA model estimate based on housing age and infrastructure
Violation History
Past 5 years — EPA SDWIS data
Citizens Water - Indianapolis has recorded 5 health-based violations in the past 5 years. Multiple health violations suggest recurring compliance challenges. Residents should request a copy of the annual Consumer Confidence Report to understand what contaminants were involved and what corrective actions were taken. 9 violations are currently unresolved — meaning the issue has not yet been formally corrected in EPA records. This is a serious concern that residents should follow up on with their water utility.
Regulatory compliance risk is rated Critical — the highest risk category. Citizens Water - Indianapolis has an extensive history of unresolved violations and enforcement actions. Independent water testing is highly recommended.
Contaminants Detected
Contaminants with health-based violations on record
EPA records identify 3 contaminants associated with health-based violations in ZIP code 46226: Consumer Confidence Report Rule, Stage 2 DBP Rule, Haloacetic Acids (HAA5). These contaminants exceeded the Maximum Contaminant Levels (MCLs) established by the EPA under the Safe Drinking Water Act at some point in the 5-year monitoring period. The presence of these violations does not necessarily mean water is currently unsafe — water systems are often required to increase monitoring and treatment when violations occur. Review the annual Consumer Confidence Report for the most current status.
From Consumer Confidence Report:
Chloramines (Total Chlorine) (2.9 ppm); Total Trihalomethanes (TTHMs) (58 ppb); Haloacetic Acids (HAA5) (42 ppb); Chloride (215 ppm); pH (8.5 Standard Units)
⚖ Enforcement Actions
Water Source & Environmental Factors
Surface Water
This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.
Highest potential
Estimated annual flood-related costs per property
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 1 — highest potential for radon in indoor air. Homeowners should test their home for radon and consider mitigation if levels exceed 4 pCi/L.
🛡 What Should You Do? — ZIP 46226 Recommendations
Serious water quality concerns — action recommended
- 🚨 Install a certified NSF/ANSI 53 or 58 (reverse osmosis) filter immediately for drinking and cooking
- 🚨 Do not give unfiltered water to children, pregnant women, or immunocompromised individuals
- 🚨 Contact Citizens Water - Indianapolis to request the current violation status and corrective action plan
- 🚨 Report concerns to your state environmental agency or call the EPA hotline: 1-800-426-4791
- 🚨 Consider having your home's tap water independently tested by a certified lab
Frequently Asked Questions — ZIP 46226 Water Quality
Is tap water safe to drink in ZIP code 46226?+
What is the lead level in 46226 tap water?+
Who provides tap water to 46226?+
What is the water source for 46226?+
Does 46226 have any active water quality violations?+
How do I get a copy of my water quality report for 46226?+
What water filter should I use in 46226?+
Is 46226 tap water safe for babies and infants?+
Data Sources & Methodology
Water quality data for ZIP code 46226 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Citizens Water - Indianapolis. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →