Wallan Quarry

Facility Overview

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

The facility covers a total area of 9 Acres, with an active operational area of 3.5 Acres.

The site has self-reported imperviousness of 0.5%. 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 unidentified (460). This information is crucial for understanding the facility's potential environmental influence on local water resources.

1 6 mi E on Alderpoint Rd, Garberville, CA 95542

Additional Details

Permit Status: Active
County: Humboldt
WDID: 1 12I029351
Application ID: 539683

Discharge Reports Summary

YearSample ReportsExceedancesStatus
000Up 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.