R Brown Sons Quarry

Facility Overview

R Brown Sons Quarry is operating under a active permit of type: Industrial. Primary industry: Crushed and Broken Stone, NEC.

The facility covers a total area of 78 Acres, with an active operational area of 10 Acres.

The site has self-reported imperviousness of 0%. 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 Willow Creek. This information is crucial for understanding the facility's potential environmental influence on local water resources.

Highway 299 PM 3568, Willow Creek, CA 95573

Additional Details

Permit Status: Active
County: Humboldt
WDID: 1 12I015562
Application ID: 178314

Historical Exceedances

This facility has historically exceeded limits for the following parameters:

  • Total Suspended Solids (TSS)

    High levels of suspended solids can reduce water clarity, harm fish gills, smother aquatic habitat and eggs, and transport pollutants through water bodies.

These limits reflect Water Quality Standards promulgated to protect human health or the environment, or standards that the State or EPA developed to indicate the Facility may be failing to implement best practices to protect storm water.

Discharge Reports Summary

YearSample ReportsExceedancesStatus
202420Up To Date
202320Up To Date
202220Up To Date
202130Up To Date
202030Up To Date
201941Exceedances Detected
201820Up To Date
201740Up To Date
201640Up 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.