Coherent Inc

Facility Overview

Coherent Inc is operating under a active permit of type: Industrial. Primary industry: Manufacturing Industries, NEC.

The facility covers a total area of 405000 SqFt, with an active operational area of 10000 Sqft.

The site has self-reported imperviousness of 100%. 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 Calbazas Creek. This information is crucial for understanding the facility's potential environmental influence on local water resources.

5100 Patrick Henry Dr, Santa Clara, CA 95054

Additional Details

Permit Status: Active
County: Santa Clara
WDID: 2 43I009508
Application ID: 183998

Historical Exceedances

This facility has historically exceeded limits for the following parameters:

  • Oil and Grease

    Oil and grease can form films on water surfaces, reducing oxygen levels and harming aquatic life. They can also contaminate sediments and be toxic to organisms.

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
202430Up To Date
2023120Up To Date
202091Exceedances Detected
201930Up 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.