Humble, TX Water Safety: 80/100 (2026)
4 ZIP codes · 4 water systems · Updated 2026-06-03
Based on current monitoring, Humble holds an above-average drinking water safety record for TX — violations are infrequent and typically minor when they do appear.
How Humble Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Humble Residents
- Average lead level: 0.0056 mg/L.
- Homes built before 1986: 26% — older plumbing may contain lead solder.
- Estimated remediation: $2,375 per household.
- CDC health risk index: 11.98.
Humble's Water Providers
Structurally, Humble, TX's water supply is divided. Federal data identifies 4 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 4 ZIP codes in Humble, Texas (population ~181,805), covering 4 community water systems serving approximately 3,066,661 people region-wide.
No EPA violations recorded across any ZIP codes in Humble — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Humble: B (80/100)
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
Humble water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0056 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): 4 ZIP codes
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 77338 | B | City of Humble | 15,616 |
| 77346 | B | City of Humble | 15,616 |
| 77347 | A | City of Humble | 15,616 |
| 77396 | B | City of Humble | 15,616 |
All ZIP Codes in Humble
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.
Humble Community Health Snapshot
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
Humble Infrastructure Age
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 post-1986 majority in Humble's housing inventory — median build year 2002 — generally signals lower aggregate plumbing-era lead risk.
Most homes in Humble 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.
How Remediation Costs Compare in Humble
How does remediation fit within the broader financial picture for Humble homeowners? The equity share is moderate — large enough that treating it as a real planning consideration makes sense, and manageable enough that most homeowners have a clear path to addressing documented water and safety issues when they approach the commitment with deliberate advance budgeting rather than as an unplanned expense.
Remediation costs are moderate relative to home values in Humble. The estimated $1,625–$3,675 range is manageable for most homeowners but still worth budgeting for. Home values are 3% above the Texas average.
Humble: Lead Risk & Vulnerable Populations
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.
Whenever aggregate samples pass the federal action benchmark and pre-rule housing — 26% in Humble — represents a smaller fraction, lead occupies a lower priority on the local picture.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Humble: Flood History & Water Damage Risk
Flood risk in Humble reaches a level where its interaction with water quality becomes a concrete planning concern rather than an abstract possibility. NFIP data records 3199 claims, and 100% of the area's ZIP codes are within FEMA-designated flood zones. At this exposure level, the mechanisms connecting major flood events to water quality disruption — treatment overload, well contamination, distribution backflow — have likely been activated repeatedly over the multi-decade NFIP tracking window.
Humble has a significant flood history with 3,199 FEMA flood insurance claims on record, averaging $55,737 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>$2,375</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 Humble, TX