Stormwater Management Plan: Phase I & II

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Stormwater is water from rain or melting snow that does not immediately soak into the ground. Instead, stormwater flows across hard surfaces such as concrete, asphalt pavement, or roofs and can pick up pollutants like lawn chemicals, automobile oil and grease, airborne dust and sediment, and pet waste.

Unlike the water we use in our homes, stormwater does not go to a wastewater treatment plant. Instead, stormwater flows directly to the Boise River or seeps into the groundwater.

Stormwater is water from rain or melting snow that does not immediately soak into the ground. Instead, stormwater flows across hard surfaces such as concrete, asphalt pavement, or roofs and can pick up pollutants like lawn chemicals, automobile oil and grease, airborne dust and sediment, and pet waste.

Unlike the water we use in our homes, stormwater does not go to a wastewater treatment plant. Instead, stormwater flows directly to the Boise River or seeps into the groundwater.

  • Tell us what you think!

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    The Ada County Highway District's (ACHD) Stormwater Program is crucial for maintaining the health of our local waterways. Unlike the water we use in our homes, stormwater isn’t treated at a treatment plant before reaching the Boise River or seeping into the groundwater.

    To help protect the quality of downstream waterways, ACHD administers programs to reduce pollutant discharges from the storm drain system. These programs are outlined in ACHD’s Stormwater Management Plans.

    Learn more about ACHD's Stormwater Management Plans and take the survey. Your insights will help shape our future stormwater management - let's work together to keep our waterways healthy and thriving!




Page last updated: 18 Sep 2024, 02:22 PM