Overview
1H Substation is an operational air monitoring station in Waterflow, New Mexico, managed by the New Mexico Environment Department. It provides ambient air quality data for the San Juan County region.
1H Substation is an air monitoring station located at the Shiprock Electrical Substation in Waterflow, New Mexico, United States. Operated by the New Mexico Environment Department, it is part of the state's ambient air quality monitoring network, contributing to the assessment of air pollution levels in the Four Corners region. The station collects air quality data, with the most recent sample recorded in December 2023. As a monitoring site under the New Mexico Environment Department, it operates within the framework of the U.S. EPA's Air Quality System (AQS), which sets standards for criteria pollutants such as ozone, particulate matter, and nitrogen dioxide. The station's location near an electrical substation and in a region with industrial and energy activities supports representative monitoring of local air quality. Environmental monitoring at 1H Substation helps inform public health advisories and regulatory compliance in San Juan County, an area with significant coal-fired power plants and natural gas extraction. The data collected supports the state's efforts to maintain air quality standards and protect community health, particularly for nearby populations in the Navajo Nation and surrounding areas.
Environmental context
The 1H Substation monitoring site is situated in the Four Corners region, an area with a mix of energy production (coal and natural gas), mining, and agricultural activities. This context makes air quality monitoring critical for tracking emissions from power plants and industrial sources. The station's data contributes to understanding local pollutant transport and compliance with National Ambient Air Quality Standards (NAAQS).
Frequently asked questions
The 1H Substation air monitoring station is located at the Shiprock Electrical Substation in Waterflow, New Mexico, United States, in San Juan County.
The station is operated by the New Mexico Environment Department (NMED), which manages air quality monitoring across the state.
As part of the New Mexico Environment Department's network, the station likely monitors criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and sulfur dioxide, in accordance with EPA standards.
The station provides data that supports compliance with the U.S. Clean Air Act and National Ambient Air Quality Standards (NAAQS), helping to assess regional air quality and inform public health decisions.
San Juan County hosts major coal-fired power plants and natural gas operations, making air monitoring essential for tracking emissions and protecting the health of nearby communities, including the Navajo Nation.
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