Water Quality in Fishers, IN: 21 Violations — Grade C
Grade C · Score 57/100 · 1 water system · Updated 2026-05-03
Fishers's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
The compliance history for Fishers, IN includes 21 water violations on file with the EPA — a federal tally that spans health-based exceedances, monitoring failures, and enforcement actions logged under the Safe Drinking Water Act.
Water Quality by ZIP Code in Fishers
Water quality varies across Fishers's 3 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 46085 | C | 56 | 7 | 2 | View report → |
| 46037 | C | 57 | 7 | 2 | View report → |
| 46038 | C | 57 | 7 | 2 | View report → |
Water Quality Overview
Fishers, Indiana receives a water quality grade of C with an overall score of 57 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Fishers have accumulated 21 EPA violations, including 6 health-based violations. These violations are tracked across 3 ZIP codes serving approximately 45 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Fishers's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across Fishers water systems is 0.0049 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Fishers is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving Fishers
Fishers is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 45 people across 3 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 30 enforcement actions against water systems serving Fishers. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Fishers
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Fishers Water Systems
The following contaminants have been detected or caused violations across Fishers's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | N/A | 9 | 3 | No |
| Stage 2 DBP Rule | Treatment Technique | N/A | 6 | 3 | Yes |
| Stage 1 DBP Rule | Treatment Technique | N/A | 3 | 3 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Fishers. Recent actions:
| Date | Action Type |
|---|---|
| 2025-08-12 | State Order Extension |
| 2025-07-15 | State Informal Action |
| 2024-11-21 | State Informal Action |
| 2024-11-21 | State Informal Enforcement |
| 2024-11-19 | State Informal Action |
| 2024-11-19 | State Informal Enforcement |
| 2024-10-11 | State Order Extension |
| 2024-04-10 | State Order Extension |
| 2022-10-25 | State Informal Action |
| 2022-10-25 | State Informal Enforcement |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-08-12.
Fishers vs. Nearby Indiana Cities
How Fishers's water quality compares to similar cities in Indiana:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Fishers | C | 21 | 1 | 45 |
| Mc Cordsville | D | 0 | 1 | 45 |
| Zanesville | C | 7 | 1 | 45 |
| Fair Oaks | D | 0 | 1 | 44 |
Water Quality by ZIP Code in Fishers
Water quality varies across Fishers's ZIP codes. The table below shows the worst-scoring and best-scoring areas:
Common Questions About Fishers Water
These are the most common questions residents search for about water quality in Fishers, Indiana:
Is Fishers water hard or soft? Water hardness varies by source. Fishers's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Fishers tap water? Fishers's water receives a grade of C (57/100). There are 6 health-based violations — consider filtration.
What is the best water filter for Fishers? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Fishers vs. Indiana Average
Understanding how Fishers compares to the broader Indiana average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Fishers.
ZIP Codes in Fishers
Fishers spans 3 ZIP codes. The ZIP with the lowest water quality score is 46037. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.