Water Quality in Montezuma, IN: 18 Violations — Grade D
Grade D · Score 50/100 · 1 water system · Updated 2026-05-03
Montezuma's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
SDWIS records for Montezuma, IN show 18 EPA violations documented for the local water supply — these span the full range of reportable events from health-based exceedances to monitoring and reporting lapses registered with the federal program.
Water Quality by ZIP Code in Montezuma
Water quality varies across Montezuma's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 47862 | D | 50 | 18 | 15 | View report → |
Violation Trend
EPA violations recorded for water systems serving Montezuma.
Water Quality Overview
Montezuma, Indiana receives a water quality grade of D with an overall score of 50 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Montezuma have accumulated 18 EPA violations, including 15 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 1,022 people.
What Grade D Means
A grade of D indicates significant compliance issues. Montezuma's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.
Lead Levels
Lead testing data for Montezuma is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 69% of homes built before 1986, Montezuma has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
Montezuma is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Montezuma
Montezuma is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 1,022 people across 1 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 10 enforcement actions against water systems serving Montezuma. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Montezuma
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 Montezuma Water Systems
The following contaminants have been detected or caused violations across Montezuma's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Lead | Inorganic | 0.015 mg/L | 15 | 1 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 2 | 1 | No |
| Surface Water Treatment Rule | Treatment Technique | N/A | 1 | 1 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Montezuma:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 4 | 4 |
| 2024 | 4 | 4 |
| 2025 | 3 | 3 |
Violations have increased from 1 in 2021 to 3 in 2025. This trend warrants monitoring.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Montezuma. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-30 | State Informal Action |
| 2025-09-23 | State Informal Action |
| 2025-09-23 | State Informal Enforcement |
| 2025-07-15 | State Informal Action |
| 2025-05-22 | State Informal Action |
| 2025-05-13 | State Informal Action |
| 2025-05-13 | State Informal Enforcement |
| 2025-04-09 | State Informal Action |
| 2025-04-03 | State Informal Action |
| 2025-04-03 | State Informal Enforcement |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-30.
Montezuma vs. Nearby Indiana Cities
How Montezuma's water quality compares to similar cities in Indiana:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Montezuma | D | 18 | 1 | 1,022 |
| Silver Lake | B | 1 | 1 | 1,030 |
| Winslow | B | 8 | 1 | 1,010 |
| Lanesville | C | 5 | 1 | 1,009 |
Common Questions About Montezuma Water
These are the most common questions residents search for about water quality in Montezuma, Indiana:
Is Montezuma water hard or soft? Water hardness varies by source. Montezuma's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Montezuma tap water? Montezuma's water receives a grade of D (50/100). There are 15 health-based violations — consider filtration.
What is the best water filter for Montezuma? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Montezuma vs. Indiana Average
Understanding how Montezuma 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 Montezuma.
ZIP Codes in Montezuma
Montezuma spans 1 ZIP code. The ZIP with the lowest water quality score is 47862. 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.