If the parent lot has a retention facility that guarantees no water will leave the
site, can the developer and/or builder avoid the permit process?
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If I will keep and treat all construction stormwater on-site, but the local ordinance
requires me to plan for a 100 year flood event, which includes a secondary system
that would drain to surface waters and/or a municipal system, do I need the permit?
What if I don’t install the secondary system, but simply have an emergency plan
on paper?
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My county has done extensive work to determine regional topography, climate, and
soil features that accounts for absorption of construction-related stormwater. Is
a permit required if there will be full ground absorption of sheet flow that comes
off a construction site if the absorption occurs beyond the property line?
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What are "surface waters of the state"?
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Are on-site wetlands considered "surface waters of the state"? If so, will Ecology
require a permit for stormwater entering the wetland?
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What if the site discharges to a wetland that straddles the property line?
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If my project will have over 5000 square feet of impervious surface, do I need a
permit?
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I need a permit if I disturb one or more acres. How do I know how much land I am
disturbing?
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What is "Routine Maintenance"?
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Do subsurface drains include footing drains?
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Do you need to use a turbidity meter if you only are building on 1 or 2 lots that
are less than 5 acres in a large subdivision?
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Is the 1000 cubic yard concrete limit measured by a pour in a single location or
cumulative pours? What if separate foundations, streets, and curbs are being poured
at the same time on a site, totaling over 1000 cubic yards?
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I don’t need the permit, but I am pouring over 1,000 cubic yards of concrete. Do
I have to get the permit in order to monitor pH?
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Can I terminate my permit if I am done with construction but the site is not stabilized
because the homeowner wants to finish landscaping?
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Can I terminate the permit if amount of disturbed land has dropped below the 1-acre
threshold?
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If I complete the framing and exterior work, leaving the interior work for last,
can I terminate the permit?
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If the developer or previous contractor had a permit because over an acre of land
was disturbed, but my work will disturb less than an acre, do I need a permit?
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What is a "common plan of development or sale"?
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How do I know if my project is part of a "common plan of development or sale"?
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What is a "common plan"?
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If I am part of a common plan of development or sale, how do I know the amount of
land disturbed?
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When can I consider future construction on a property to be part of a separate plan
of development or sale?
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What if water comes onto my site dirty? Do I measure at the point of entry and discharge?
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Do Ecology representatives need a warrant to inspect and sample on-site?
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How is the CO2 administered to treat high pH?
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