KDOT Environmental Compliance & Permits 5 — Questions and Answers
Question 1: A KDOT project in an urban area requires an air quality conformity determination. This requirement applies when the project is located in a:
- Nonattainment or maintenance area for criteria pollutants under the Clean Air Act (Correct answer)
- Flood-prone area within the 500-year floodplain
- Wetland buffer zone within 300 feet of a navigable waterway
- Historic district listed on the National Register
Correct answer: Nonattainment or maintenance area for criteria pollutants under the Clean Air Act
Transportation Conformity under the Clean Air Act applies to federally funded projects in areas designated as nonattainment or maintenance for NAAQS criteria pollutants.
Question 2: Which element is NOT typically required in a KDOT Stormwater Pollution Prevention Plan (SWPPP)?
- A list of on-site wildlife species observed during construction (Correct answer)
- Site map showing drainage patterns and BMP locations
- Description of construction sequence and phasing
- Inspection and maintenance schedule for BMPs
Correct answer: A list of on-site wildlife species observed during construction
SWPPPs must include site mapping, BMP descriptions, construction phasing, and inspection schedules, but do not require wildlife observation logs.
Question 3: Under RCRA regulations, if a KDOT project generates hazardous waste during construction (e.g., from contaminated soil), what is the first step for proper management?
- Characterize the waste through testing to determine if it meets hazardous waste definitions (Correct answer)
- Immediately transport waste off-site to the nearest landfill
- Cover the waste with clean fill and document in the project record
- Notify FHWA before any other action is taken
Correct answer: Characterize the waste through testing to determine if it meets hazardous waste definitions
Proper hazardous waste management begins with waste characterization (testing) to determine regulatory status before any storage, transport, or disposal decisions.
Question 4: A KDOT inspector observes that a contractor's sediment basin has accumulated sediment to 50% of its design capacity. What action is required?
- The sediment must be removed to restore design capacity before the next rain event (Correct answer)
- No action is needed until 75% capacity is reached
- The basin should be abandoned and a new one constructed
- Document only; sediment removal is the contractor's discretionary decision
Correct answer: The sediment must be removed to restore design capacity before the next rain event
Industry standard and most permit conditions require sediment removal when a basin reaches 50% capacity to maintain design treatment volume for upcoming storms.
Question 5: What is the minimum frequency for stormwater BMP inspections required under the NPDES Construction General Permit on KDOT project sites?
- At least every 7 calendar days and within 24 hours after a 0.5-inch or greater rain event (Correct answer)
- Once per month regardless of rainfall
- Before and after every rain event exceeding 1 inch
- Weekly during active grading and monthly when grading is complete
Correct answer: At least every 7 calendar days and within 24 hours after a 0.5-inch or greater rain event
The CGP requires inspections every 7 days and within 24 hours of qualifying storm events to ensure BMPs are functioning as designed.
Question 6: When a KDOT project requires wetland mitigation, which mitigation option is given highest preference under the USACE mitigation rule (33 CFR Part 332)?
- Permittee-responsible on-site avoidance and minimization, then wetland mitigation banks (Correct answer)
- Purchasing wetland mitigation bank credits first
- In-lieu fee programs as the primary option
- Permittee-responsible off-site mitigation as the default
Correct answer: Permittee-responsible on-site avoidance and minimization, then wetland mitigation banks
The mitigation hierarchy requires first avoiding impacts, then minimizing, then compensating—and when compensation is needed, mitigation banks are preferred over in-lieu fee or permittee-responsible options.
Question 7: Which federal law requires KDOT to consult with tribes regarding potential impacts to sacred sites or cultural resources on federal-aid projects?
- National Historic Preservation Act (NHPA) Section 106 and Executive Order 13007 (Correct answer)
- National Environmental Policy Act (NEPA)
- Clean Water Act Section 404
- Endangered Species Act Section 7
Correct answer: National Historic Preservation Act (NHPA) Section 106 and Executive Order 13007
NHPA Section 106 mandates consultation with federally recognized tribes, and EO 13007 specifically requires agencies to protect tribal sacred sites on federal lands.
KDOT Environmental Compliance & Permits 5
A KDOT project in an urban area requires an air quality conformity determination.
This requirement applies when the project is located in a: