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Concord: Ash/Debris Cleanup Advisory


Last updated: April 24, 2018, 9:41 am

The large structure fire in Concord consisted primarily of construction materials (predominately wood). Residents should avoid direct contact and inhalation of ash/debris that was produced by the fire. Residents may use a mild soap and water to clean up ash/debris. To minimize dust generation, residents should consider lightly dampening ash/debris prior to commencing sweeping activities. Swept up ash/debris may be placed in a standard household trash receptacle. Any towels or cleaning materials should be rinsed in a sink that drains to a sanitation sewer. Residents should avoid washing or sweeping ash/debris into storm drains, as this will result in pollution accumulating in nearby creeks and rivers.

RMP - EBMUD Orinda Water Treatment Plant


The Orinda Water Treatment Plant water treatment plant is one of EBMUD's six water treatment plants that combined can filter and process more than 375 million gallons of water daily. Each of these plants uses aqueous ammonia in their disinfection step of water treatment. The ammonia is added in small amounts to the water in order to create chloramines which are a disinfectant that last longer in the water distribution system.


Regulated Substances Subject to CalARP/Federal RMP/ISO:
Regulated Substance Program Level CalARP Regulated Federal RMP Regulated ISO Regulated
Aqueous Ammonia (PDF) 1 yes no no