Northwest Harris County Municipal Utility District 19
EPA ID: TX1011927 · 5,535 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Northwest Harris County Municipal Utility District 19 (TX1011927): 1 violation on record since 2021. Over the period covered by EPA data, Northwest Harris County Municipal Utility District 19 recorded 1 violation, each listed as resolved; the utility serves 5,535 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Northwest Harris County Municipal Utility District 19 Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Northwest Harris County Municipal Utility District 19 have a median household income of $145,228 and about 44,545 residents live in those ZIP codes (Census; not the number of people this system supplies).
Environmental Justice Note: On average, 51% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Northwest Harris County Municipal Utility District 19's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Texas
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Northwest Harris County Municipal Utility District 19 (EPA ID: TX1011927) is a community water system in Texas that serves approximately 5,535 people from groundwater sources.
This system serves ZIP code 77389 in Spring.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| June 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0041 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by TX or modeled from parcel and building-footprint data.
- 77389 - Spring
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Northwest Harris County Municipal Utility District 19 (TX1011927) on EPA.gov.
Frequently Asked Questions
Is Northwest Harris County Municipal Utility District 19 water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Northwest Harris County Municipal Utility District 19; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Northwest Harris County Municipal Utility District 19 serve?
Northwest Harris County Municipal Utility District 19 serves approximately 5,535 people across 1 ZIP code in Texas.
Where does Northwest Harris County Municipal Utility District 19 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Northwest Harris County Municipal Utility District 19, TX. https://zipcheckup.com/water-system/tx1011927/
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title = {{Northwest Harris County Municipal Utility District 19, TX}},
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url = {https://zipcheckup.com/water-system/tx1011927/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Northwest Harris County Municipal Utility District 19 (EPA ID: TX1011927) - request the latest Consumer Confidence Report or ask about specific contaminants.