Magnolia, TX: 57 Violations — 71/100 (2026)
3 ZIP codes · 18 water systems · Updated 2026-06-03
Based on current monitoring, Magnolia holds an above-average drinking water safety record for TX — violations are infrequent and typically minor when they do appear.
How Magnolia Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Magnolia Water
- Your city's water systems recorded 57 violations in the past 5 years.
- Average lead level: 0.0006 mg/L.
- Homes built before 1986: 17% — older plumbing may contain lead solder.
- Estimated remediation: $1,833 per household.
- CDC health risk index: 12.26 — above typical levels.
Who Supplies Your Water in Magnolia
Federal drinking water records identify 18 systems in Magnolia, TX. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations — so service conditions are not uniform city-wide.
Overview
We track water quality and home safety data for 3 ZIP codes in Magnolia, Texas, covering 18 community water systems serving approximately 72,228 people.
3 of 3 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Magnolia: B (71/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Magnolia water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0006 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 3 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 24 | 3 |
| Revised Total Coliform Rule | Microbiological | 20 | 3 |
| Surface Water Treatment Rule | Treatment Technique | 12 | 3 |
| Lead and Copper Rule | Treatment Technique | 12 | 3 |
| Total Coliform | Microbiological | 8 | 3 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 77353 | B | 19 | 0 | City of Magnolia |
| 77354 | C | 19 | 0 | City of Magnolia |
| 77355 | C | 19 | 0 | City of Magnolia |
All ZIP Codes in Magnolia
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
Updated daily.
Health Outcomes in Magnolia
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Magnolia Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Magnolia
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
A median build year of 2006 in Magnolia points to a housing stock where post-1986 construction is the norm. That matters because lead solder in plumbing — banned federally in 1986 — is a primary pathway by which older homes can elevate tap water lead above what enters the distribution system.
Most homes in Magnolia were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Magnolia Homeowners
When remediation costs are measured against Magnolia home values, the resulting ratio is in the low tier — addressing documented water and safety issues here claims only a minor fraction of typical equity, and most homeowners are in a position where the financial commitment is straightforward rather than a material burden on their household budget.
Remediation costs in Magnolia are relatively low compared to home values. The $1,267–$2,767 estimated range is a small fraction of median property value. Home values are 66% above the Texas average.
Lead Exposure Risk for Children in Magnolia
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Where pre-rule stock represents a smaller fraction of the inventory — 17% across Magnolia — the structural drivers of household exposure run thinner. Aggregate readings under the federal benchmark reinforce that picture, with one-home draws remaining the only direct measurement for a specific address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Magnolia
Decades of documented flood activity appear in Magnolia's NFIP record — 996 insurance claims filed and 100% of ZIP codes carrying FEMA flood designations. The scale of that record puts water infrastructure vulnerability from flooding into the concrete-risk category.
Magnolia has a significant flood history with 996 FEMA flood insurance claims on record, averaging $43,985 per claim. With 100% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,833</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Magnolia, TX