Water Quality in Montgomery City, MO: No Violations - Grade B
Grade B · Score 83/100 · 4 water systems · Updated 2026-07-18
Montgomery City's water is mostly safe. Minor violations exist but are primarily monitoring-related.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18
Every water system supplying Montgomery City, MO appears in federal EPA tracking - and all 4 carry a violation-free record with no MCL exceedances, no reportable monitoring failures, and no active enforcement actions on file in any compliance period.
Water Quality by ZIP Code in Montgomery City
Montgomery City is covered by a single ZIP code, so one water-quality profile applies citywide. See the contaminant data below.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 63361 | B | 83 | 0 | 0 | View report → |
Water Quality Overview
Montgomery City, Missouri receives a water quality grade of B with an overall score of 83 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
No EPA violations have been recorded for the 4 water systems serving Montgomery City. This is a positive indicator, though it does not guarantee the absence of all contaminants - some substances (like PFAS) are not yet fully regulated.
What Grade B Means
A grade of B indicates good compliance with EPA drinking water standards. While not perfect, Montgomery City's water systems meet the vast majority of federal requirements. Minor violations may exist but typically relate to monitoring or reporting rather than health-based standards.
Lead Levels
The average 90th percentile lead level across Montgomery City water systems is 0.0015 mg/L - within EPA limits. No ZIP codes exceed the EPA lead action level.
With 55% of homes built before 1986, Montgomery City 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
Montgomery City is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Montgomery City
Montgomery City is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 4,477 people across 1 ZIP code.
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 Montgomery City. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Montgomery City
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
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Montgomery City. Recent actions:
| Date | Action Type |
|---|---|
| 2025-10-21 | State Informal Action |
| 2025-10-21 | State Informal Enforcement |
| 2025-09-29 | State Informal Action |
| 2025-06-09 | State Informal Action |
| 2025-04-02 | State Informal Action |
| 2025-04-02 | State Informal Enforcement |
| 2025-04-02 | State Order Extension |
| 2025-03-28 | State Order Extension |
| 2025-01-22 | State Order Extension |
| 2024-12-31 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-10-21.
Montgomery City vs. Nearby Missouri Cities
How Montgomery City's water quality compares to similar cities in Missouri:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Montgomery City | B | 0 | 4 | 4,477 |
| Kimberling City | B | 6 | 6 | 4,487 |
| Crystal City | C | 3 | 6 | 4,490 |
| Carrollton | B | 4 | 3 | 4,504 |
Common Questions About Montgomery City Water
These are the most common questions residents search for about water quality in Montgomery City, Missouri:
Is Montgomery City water hard or soft? Water hardness varies by source. Montgomery City's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Montgomery City tap water? Montgomery City's water receives a grade of B (83/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Montgomery City? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Montgomery City vs. Missouri Average
Understanding how Montgomery City compares to the broader Missouri 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 Montgomery City.
ZIP Codes in Montgomery City
Montgomery City spans 1 ZIP code. 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.
Frequently Asked Questions
Your Water is Safe - Here's How to Keep It That Way
Grade B is excellent news. Here's what proactive homeowners do to maintain water quality:
Annual Water Testing
EPA recommends annual testing even with clean water. Home test kits: $20-$50. Catches changes before they become problems.
Maintenance Filtration
A basic carbon filter removes chlorine taste and catches emerging contaminants like PFAS that aren't yet fully regulated.
Plumbing Check
Even safe city water picks up lead from home pipes. If your home was built before 1986, a one-time pipe inspection is recommended.