Under 40 CFR 122.26(b)(14)(x), a construction activity is treated as a regulated "industrial activity" requiring NPDES stormwater permit coverage once it disturbs a total land area of at least how many acres?
A. 0.5 acre
B. 1 acre
C. 2 acres
D. 5 acres
Source: 40 CFR 122.26(b)(14)(x)
A builder plans to clear 0.75 acre for a single home, but that lot is part of a subdivision phased to disturb 40 acres total over five years. Under 40 CFR 122.26(b)(15)(i), is a construction stormwater permit required for the 0.75-acre lot?
A. No, because 0.75 acre alone is under the 1-acre threshold
B. Yes, because the lot is part of a larger common plan of development that will disturb 1 acre or more
C. No, because residential lots are categorically exempt from NPDES permitting
D. Only if the lot discharges directly to a impaired water body
Source: 40 CFR 122.26(b)(15)(i)
Which statement correctly describes what 40 CFR 122.26(a)(1) requires before a construction site may discharge stormwater to waters of the United States?
A. The discharge must first obtain an NPDES permit unless it is exempted elsewhere in the regulation
B. Only discharges through a municipal storm sewer require a permit; direct discharges do not
C. A permit is required only for discharges exceeding 500,000 gallons per day
D. Construction stormwater is regulated exclusively under state law, not the Clean Water Act
Source: 40 CFR 122.26(a)(1)
For sites requiring historic property review under the 2022 CGP, the operator must generally document:
A. Compliance with National Historic Preservation Act Section 106 eligibility criteria before earth disturbance begins
B. That the site has never previously been photographed
C. A commitment to donate artifacts found on-site to a museum
D. Nothing; historic preservation is outside CGP scope
Source: 2022 CGP Part 7.2.5
What is the primary vehicle EPA uses to authorize most construction and industrial stormwater discharges nationwide, rather than issuing an individual permit to every site?
A. A general permit issued under 40 CFR 122.28, such as the Construction General Permit (CGP)
B. A blanket statutory exemption under the Clean Water Act
C. A memorandum of understanding between EPA and each state
D. A Section 404 dredge-and-fill permit
Source: 40 CFR 122.28
