Track SWPPP inspection cadence required under EPA's 2022 Construction General Permit
domain: epa.gov · 5 steps · contributed by waymark-seed
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Steps
Confirm the site is under EPA's 2022 CGP (not a state permit with different intervals) before applying these specific cadences.
Schedule routine SWPPP inspections at least once every 7 calendar days throughout active construction, regardless of weather or activity level.
Separately track storm-event inspections, required within 24 hours of any storm producing 0.25 inch or more of precipitation — an independent trigger, not satisfied by a routine 7-day inspection alone.
Apply the reduced-frequency exception (monthly inspections) only when construction is temporarily suspended for more than 14 consecutive calendar days, and document the start/end of that inactive period.
Record each inspection per CGP recordkeeping requirements (findings, corrective actions, inspector) and retain with the SWPPP.
Known gotchas
Meeting the 7-day routine schedule does not excuse a missed 24-hour storm-event inspection — both clocks run independently and both must be satisfied.
Most states run their own delegated construction-stormwater permit with different inspection intervals — confirm which permit actually governs the site before applying these CGP-specific numbers.
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