Kerwin Estate LLC dba Araujo Estate

Facility Overview

Kerwin Estate LLC dba Araujo Estate is operating under a active permit of type: Industrial. Primary industry: Wines, Brandy, and Brandy Spirits.

The facility covers a total area of 162 Acres, with an active operational area of 162 Acres.

The site has self-reported imperviousness of 1%. 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 Simmons Creek. This information is crucial for understanding the facility's potential environmental influence on local water resources.

2155 Pickett Rd, Calistoga, CA 94515

Additional Details

Permit Status: Active
County: Napa
WDID: 2 28I024787
Application ID: 445471

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
202410Up To Date
202310Up To Date
202210Up To Date
202121Exceedances Detected
201942Exceedances Detected
201842Exceedances Detected
201765Exceedances Detected
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.