Mauser USA LLC

Facility Overview

Mauser USA LLC is operating under a active permit of type: Industrial. Primary industry: Plastics Products, NEC.

The facility covers a total area of 72000 SqFt, with an active operational area of 205709 Sqft.

The site has self-reported imperviousness of 95%. 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 Santa Ana Watershed. This information is crucial for understanding the facility's potential environmental influence on local water resources.

9449 Santa Anita Ave, Rancho Cucamonga, CA 91730

Additional Details

Permit Status: Active
County: San Bernardino
WDID: 8 36I024170
Application ID: 436246

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
202440Up To Date
202340Up To Date
202240Up To Date
202130Up To Date
202030Up To Date
201940Up To Date
201820Up To Date
201740Up To Date
201622Exceedances Detected

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.