Water Quality in Cisco, TX: 5 Violations — Grade A
Grade A · Score 90/100 · 1 water system · Updated 2026-05-03
Cisco's water meets all EPA standards with no health-based violations.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Tracked under the EPA Safe Drinking Water program, Cisco, TX shows 5 water violations on file — findings that span multiple violation categories and are detailed system by system in the data grid further down the page.
Water Quality by ZIP Code in Cisco
Water quality varies across Cisco's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 76437 | A | 90 | 5 | 5 | View report → |
Violation Trend
EPA violations recorded for water systems serving Cisco.
Water Quality Overview
Cisco, Texas receives a water quality grade of A with an overall score of 90 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Cisco have accumulated 5 EPA violations, including 5 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 3,069 people.
What Grade A Means
A grade of A indicates excellent compliance with EPA drinking water standards. Cisco's water systems have maintained strong performance in both contaminant monitoring and regulatory compliance.
Lead Levels
The average 90th percentile lead level across Cisco water systems is 0.0037 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 73% of homes built before 1986, Cisco 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.
Water Systems Serving Cisco
Cisco is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 3,069 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 Cisco. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Cisco
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 Cisco Water Systems
The following contaminants have been detected or caused violations across Cisco's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 5 | 1 | Yes |
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 Cisco:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2021 | 1 | 1 |
| 2022 | 4 | 4 |
Violations have increased from 1 in 2021 to 4 in 2022. This trend warrants monitoring.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Cisco. Recent actions:
| Date | Action Type |
|---|---|
| 2023-04-05 | State Filed Suit |
| 2023-03-09 | State Order Extension |
| 2022-11-21 | State Informal Action |
| 2022-11-09 | State Informal Action |
| 2022-11-09 | State Informal Enforcement |
| 2022-09-23 | State Informal Action |
| 2022-09-08 | State Informal Action |
| 2022-09-08 | State Informal Enforcement |
| 2022-06-17 | State Filed Judgment |
| 2022-06-08 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2023-04-05.
Cisco vs. Nearby Texas Cities
How Cisco's water quality compares to similar cities in Texas:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Cisco | A | 5 | 1 | 3,069 |
| Ferris | A | 4 | 1 | 3,070 |
| Anson | A | 0 | 1 | 3,078 |
| George West | A | 37 | 4 | 3,056 |
Common Questions About Cisco Water
These are the most common questions residents search for about water quality in Cisco, Texas:
Is Cisco water hard or soft? Water hardness varies by source. Cisco's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Cisco tap water? Cisco's water receives a grade of A (90/100). There are 5 health-based violations — consider filtration.
What is the best water filter for Cisco? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Cisco vs. Texas Average
Understanding how Cisco compares to the broader Texas 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 Cisco.
ZIP Codes in Cisco
Cisco spans 1 ZIP code. The ZIP with the lowest water quality score is 76437. 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 A 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.