Madera Company Md10a-madera Ranchos
EPA ID: CA2010008 · 3,172 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Madera Company Md10a-madera Ranchos (CA2010008): no drinking-water violations recorded since 2021. Madera Company Md10a-madera Ranchos is listed without violations in federal records, across a service area of 3,172 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Madera Company Md10a-madera Ranchos Source: EPA SDWIS service area boundaries.
Service area boundary - average Home Safety grade of mapped ZIPs: B
Demographics of ZIP Codes Served
The ZIP codes associated with Madera Company Md10a-madera Ranchos have a median household income of $124,024 and about 14,777 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 47% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 52% 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?
Madera Company Md10a-madera Ranchos'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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in California
System Overview
Madera Company Md10a-madera Ranchos (EPA ID: CA2010008) is a community water system in California that serves approximately 3,172 people from groundwater sources.
This system serves ZIP code 93636 in Madera.
ZIP-Area Home Safety Context: B (83/100)
This is the average Home Safety Score for 1 of 1 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0054 mg/L | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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 CA or modeled from parcel and building-footprint data.
- 93636 - Madera
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Madera Company Md10a-madera Ranchos (CA2010008) on EPA.gov.
Frequently Asked Questions
Is Madera Company Md10a-madera Ranchos water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Madera Company Md10a-madera Ranchos in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Madera Company Md10a-madera Ranchos serve?
Madera Company Md10a-madera Ranchos serves approximately 3,172 people across 1 ZIP code in California.
Where does Madera Company Md10a-madera Ranchos get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Madera Company Md10a-madera Ranchos Water Quality Report, CA. https://zipcheckup.com/water-system/ca2010008/
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