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2026 Statistics
Key Facts: NM CID GF-2 Exam
70 Q
Official Combined Questions
PSI NM Contractor Bulletin 4/3/2026
75%
Passing Score Each Portion
PSI NM Contractor Bulletin 4/3/2026
USD 68.88
Specialty Exam Fee
PSI NM Contractor Bulletin 4/3/2026
NM CID GF-2 is GF Core (40 Q, free) plus a 30-question bridges specialty, 75% each, USD 68.88 (bulletin 4/3/2026).
Sample NM CID GF-2 Practice Questions
Try these sample questions to test your NM CID GF-2 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1Under the EPA Construction General Permit (CGP), which land-disturbing project must obtain NPDES construction-stormwater coverage before earthwork begins?
A.Any project that disturbs 1 acre or more, or that is part of a larger common plan of development that will disturb 1 acre or more
B.Only projects that disturb 5 acres or more of previously undeveloped land
C.Only projects that discharge directly to a designated outstanding national resource water
D.Any project that uses more than 50 cubic yards of imported borrow, regardless of disturbed area
Explanation: EPA’s CGP covers stormwater discharges from construction activity that disturbs 1 acre or more, or that is part of a larger common plan of development or sale that will disturb 1 acre or more. New Mexico remains an EPA-issued CGP jurisdiction (permit NMR100000). Bridge approach grading, abutment excavation, and staging areas count toward the disturbed-acre threshold. Coverage is obtained by preparing a SWPPP and filing a Notice of Intent before regulated earth-disturbing work begins.
2Who currently issues Construction General Permit coverage for most private and NMDOT construction stormwater discharges in New Mexico?
A.The New Mexico Environment Department under a fully delegated state NPDES program
B.The U.S. Environmental Protection Agency, using the federal CGP (NMR100000)
C.The New Mexico Construction Industries Division as part of the building permit
D.The county flood-control authority that issues the grading permit
Explanation: New Mexico is one of the few states where EPA, not a delegated state NPDES program, is the construction-stormwater permitting authority. The 2022 federal CGP is issued as NMR100000 (effective February 17, 2022). Operators file the NOI through EPA’s NeT system and must follow the federal CGP plus any New Mexico-specific conditions. A CID building permit or a county grading permit does not substitute for NPDES coverage.
3After a complete Notice of Intent is submitted under the 2022 EPA CGP, how long is the standard waiting period before discharge is authorized?
A.24 hours
B.7 calendar days
C.14 calendar days
D.30 calendar days
Explanation: The 2022 EPA CGP retained the 14-day authorization waiting period from the 2017 CGP. EPA considered lengthening it to 30 days for endangered-species review and kept 14 days after public comment. Operators should not begin regulated earth-disturbing work until the waiting period expires and authorization is effective. Emergency-related projects have separate eligibility rules and are not the default.
4Per NMDOT 2019 Section 603 and the EPA CGP, which document must be prepared and implemented for a qualifying construction stormwater discharge?
A.A Spill Prevention, Control, and Countermeasure (SPCC) plan covering only fuel tanks larger than 1,320 gallons
B.A Hazardous Waste Manifest listing every construction chemical stored on site
C.A Floodplain Development Permit issued by the county assessor
D.A Storm Water Pollution Prevention Plan (SWPPP) that identifies controls, inspections, and responsible personnel
Explanation: NMDOT Section 603 requires the Contractor to prepare a SWPPP that satisfies the current Construction General Permit. The SWPPP must identify the stormwater team, construction activities, site map, pollutants, buffers, control measures, inspection and corrective-action procedures, training, and certification. The SWPPP is a living field document; controls described in it must be installed and kept operational. An SPCC plan or hazardous-waste manifest addresses different federal programs and does not replace the SWPPP.
5For a typical 2022 EPA CGP site that does not discharge to an impaired or Tier 2/2.5/3 water, which inspection schedule may the operator select?
A.At least once every 7 calendar days, or once every 14 calendar days and within 24 hours of a qualifying 0.25-inch storm or 3.25-inch snowmelt discharge
B.Once each calendar month, plus after any rainfall of 1.0 inch or more
C.Only after a 2-year, 24-hour storm or a visible discharge of sediment
D.Daily during earthwork and weekly after base course is placed, with no storm trigger
Explanation: CGP Part 4.2 lets operators choose a weekly inspection or a 14-day inspection plus a post-storm inspection within 24 hours of 0.25 inch of rain in 24 hours (or a snowmelt discharge from 3.25 inches of snow). That choice is the standard frequency for most New Mexico highway and bridge sites. Sites discharging to sediment- or nutrient-impaired waters or to Tier 2/2.5/3 waters must use the increased frequency in Part 4.3.1.
6An operator on the 14-day CGP inspection schedule records 0.28 inch of rain between 6 a.m. and 4 p.m. When must the storm-related inspection be completed?
A.By the end of the next calendar week, provided no discharge is visible
B.Within 24 hours of the occurrence of the 0.25-inch (or greater) storm event
C.Within 72 hours, but only if the rain continues overnight
D.Only if a receiving-water sample exceeds the state turbidity standard
Explanation: On the biweekly schedule, CGP Part 4.2 requires an inspection within 24 hours of a storm that produces 0.25 inch or more of rain in a 24-hour period. Multiple smaller storms that together reach 0.25 inch in 24 hours also trigger the inspection. After the storm-related inspection, the next routine inspection is due within 14 calendar days. Waiting for a lab turbidity result is not an authorized delay.
7While a bridge footing pit is being dewatered under the 2022 EPA CGP, how often must the dewatering discharge be inspected?
A.Once every 14 calendar days, using the same schedule as the rest of the site
B.Only on the first day the pump is started
C.Each day that dewatering occurs
D.Only if the discharge is pumped into a live stream rather than a vegetated filter
Explanation: CGP Part 4.3.2 requires daily inspections on any day construction dewatering is taking place. EPA added the daily duty because high-rate dewatering can discharge large sediment loads between weekly or biweekly inspections. The rest of the site still follows the Part 4.2 (or 4.3.1) frequency. The destination of the discharge does not remove the daily-inspection duty.
8Per EPA 2022 CGP Part 2.2.3, sediment accumulated at a silt fence or other perimeter control must be removed before it reaches which height?
A.The full height of the fabric, provided the posts are still plumb
B.Two inches, regardless of the height of the control
C.The height shown on the NMDOT standard drawing for Class A riprap
D.One-half the above-ground height of the control
Explanation: The 2022 CGP requires operators to remove sediment before it accumulates to one-half the above-ground height of the perimeter control. Allowing sediment to reach the top of the fabric overloads the fence, causes undercutting, and lets stormwater go around the ends. Perimeter controls must also be installed so stormwater cannot circumvent the edges, and they must be repaired after storm events. Riprap class is a permanent-armoring specification, not the CGP maintenance trigger.
9Under the EPA CGP definition of final stabilization, unpaved areas generally need a uniform perennial vegetative cover equal to at least which density of the native background cover?
A.70 percent
B.50 percent
C.85 percent
D.100 percent of the seed-bag tag rate, regardless of establishment
Explanation: EPA defines final stabilization, in relevant part, as a uniform perennial vegetative cover with a density of 70 percent of the native background vegetative cover on all unpaved areas and areas not covered by permanent structures. Large bare patches do not count as “uniform.” Equivalent non-vegetative permanent covers (pavement, riprap, buildings) also satisfy final stabilization. A Notice of Termination is filed after final stabilization is achieved, not merely after seed is broadcast.
10On an NMDOT bridge job, when should downgradient sediment controls be installed relative to initial clearing and excavation?
A.After the first 0.25-inch storm, so the inspector can see where runoff actually goes
B.Before, or by the time, earth-disturbing activities begin on that portion of the site, unless infeasible
C.Only after abutment excavation reaches final grade
D.Only if the SWPPP map shows a live stream within 50 feet
Explanation: The CGP requires downgradient sediment controls to be installed and made operational by the time earth-disturbing activities begin on that portion of the site, unless infeasible. Waiting for the first storm to “find” the discharge points is a common and citable failure. NMDOT Section 603 likewise requires the SWPPP controls to be constructed, inspected, and maintained through final stabilization. Linear projects may document why full-perimeter controls are impracticable, but they must still maximize downgradient protection.
About the NM CID GF-2 Exam
The New Mexico CID GF-2 Bridges classification requires the shared GF Core plus the GF-2 specialty examination. GF Core is 40 questions in 100 minutes with no charge. GF-2 Bridges is 30 questions in 75 minutes for USD 68.88. Each portion requires 75% (bulletin updated 4/3/2026). Specialty references include bridge temporary works, PCA concrete mixtures, Handbook of Rigging, Hot-Mix Asphalt Paving Handbook, NMDOT 2019 specifications, and Construction Planning, Equipment, and Methods. This English-language MCQ bank is a study aid, not an official PSI form.
Assessment
GF Core plus GF-2 Bridges specialty, retained as one classification identity.
Time Limit
175 minutes (100 + 75)
Passing Score
75% on GF Core (30 of 40) and 75% on GF-2 (23 of 30)
Exam Fee
USD 68.88 (GF Core has no charge) (PSI Services LLC (for New Mexico Construction Industries Division))
NM CID GF-2 Exam Content Outline
57%
GF Core
Stormwater, OSHA, project management, surveying, NM One Call, building code/inspections (40 official items)
43%
GF-2 Bridges Specialty
Sitework, concrete, metals, asphalt pavement, rigging, project management (30 official items)
How to Pass the NM CID GF-2 Exam
What You Need to Know
- Passing score: 75% on GF Core (30 of 40) and 75% on GF-2 (23 of 30)
- Assessment: GF Core plus GF-2 Bridges specialty, retained as one classification identity.
- Time limit: 175 minutes (100 + 75)
- Exam fee: USD 68.88 (GF Core has no charge)
Keys to Passing
- Work through all 100 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
NM CID GF-2 Study Tips from Top Performers
1Sitework and concrete dominate the specialty. Study NMDOT 2019 bridge specs with OSHA 1926 and rigging safety.
2This bank is an English-language MCQ study aid, not an official PSI form
Frequently Asked Questions
Do I take a separate GF Core exam?
Yes. PSI requires all GF candidates to take the shared GF Core plus the classification specialty. This bank treats them as one GF-2 identity.