Water Quality in Manzanola, CO: 88 Violations — Grade F
Grade F · Score 33/100 · 4 water systems · Updated 2026-05-03
Manzanola's water has serious compliance issues. Independent testing and filtration are strongly recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
EPA monitoring has flagged 88 reportable events for water systems in Manzanola, CO.
Water Quality by ZIP Code in Manzanola
Water quality varies across Manzanola's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 81058 | F | 33 | 88 | 58 | View report → |
Water Quality Overview
Manzanola, Colorado receives a water quality grade of F with an overall score of 33 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 4 water systems serving Manzanola have accumulated 88 EPA violations, including 58 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 967 people.
What Grade F Means
A grade of F indicates serious compliance issues. Manzanola's water systems have substantial violations. Residents should strongly consider independent water testing and appropriate filtration.
Lead Levels
The average 90th percentile lead level across Manzanola water systems is 0.0011 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 75% of homes built before 1986, Manzanola 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
Manzanola 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 Manzanola
Manzanola is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 967 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 Manzanola. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Manzanola
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 Manzanola Water Systems
The following contaminants have been detected or caused violations across Manzanola's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Gross Beta | Radionuclides | 50 pCi/L | 30 | 1 | Yes |
| Gross Alpha | Radionuclides | 15 pCi/L | 23 | 1 | Yes |
| Lead and Copper Rule | Treatment Technique | N/A | 18 | 1 | No |
| Combined Radium | Radionuclides | 5 pCi/L | 8 | 1 | Yes |
| Stage 1 DBP Rule | Treatment Technique | N/A | 2 | 1 | No |
| Total Coliform | Microbiological | N/A | 2 | 1 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 1 | 1 | No |
| Surface Water Treatment Rule | Treatment Technique | N/A | 1 | 1 | No |
| Lead | Inorganic | 0.015 mg/L | 1 | 1 | 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 9 enforcement actions against water systems serving Manzanola. Recent actions:
| Date | Action Type |
|---|---|
| 2025-11-06 | State Informal Action |
| 2025-10-16 | State Informal Action |
| 2025-10-16 | State Informal Enforcement |
| 2025-10-03 | State Informal Action |
| 2025-10-02 | State Order Extension |
| 2025-09-30 | State Order Extension |
| 2025-09-22 | State Informal Action |
| 2025-09-16 | State Order Extension |
| 2025-08-05 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-11-06.
Manzanola vs. Nearby Colorado Cities
How Manzanola's water quality compares to similar cities in Colorado:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Manzanola | F | 88 | 4 | 967 |
| Haxtun | C | 2 | 1 | 963 |
| Stratton | C | 12 | 1 | 960 |
| Manassa | B | 8 | 1 | 976 |
Common Questions About Manzanola Water
These are the most common questions residents search for about water quality in Manzanola, Colorado:
Is Manzanola water hard or soft? Water hardness varies by source. Manzanola's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Manzanola tap water? Manzanola's water receives a grade of F (33/100). There are 58 health-based violations — consider filtration.
What is the best water filter for Manzanola? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Manzanola vs. Colorado Average
Understanding how Manzanola compares to the broader Colorado 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 Manzanola.
ZIP Codes in Manzanola
Manzanola spans 1 ZIP code. The ZIP with the lowest water quality score is 81058. 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.