Martin Marietta Clayton Aggregates

Facility Overview

Martin Marietta Clayton Aggregates is operating under a active permit of type: Industrial. Primary industry: Crushed and Broken Stone, NEC.

The facility covers a total area of 123 Acres, with an active operational area of 123 Acres.

The site has self-reported imperviousness of %. In the context of the Industrial General Permit for stormwater runoff, imperviousness refers to the percentage of the facility's surface area that doesn't allow water to penetrate, such as concrete, asphalt, or rooftops. The higher the imperviousness percentage, the more potential impact on local water quality as there is a greater surface area to accumulate pollutants.

In terms of water impact, this facility indirectly affects the Galindo Creek. This information is crucial for understanding the facility's potential environmental influence on local water resources.

501 Kaiser Quarry Road, Concord, CA 94521

Additional Details

Permit Status: Active
County: Contra Costa
WDID: 2 07I030489
Application ID: 567881

Discharge Reports Summary

YearSample ReportsExceedancesStatus
202420Up To Date

Discharge Report Exceedances Trend

This chart shows the trend of discharge report exceedances over time. The values represent the number of exceedances for each year.