PE Civil Water Resources and Environmental Practice Exam
Administered by National Council of Examiners for Engineering and Surveying (NCEES)
The Professional Engineer (PE) Civil Water Resources and Environmental exam has 80 questions and 8 hours of exam time within a 9-hour appointment. It is computer-based, year-round at NCEES-approved Pearson VUE test centers.
The national licensing exam for civil engineers practising in water resources and environmental engineering, and one of five discipline options under the Professional Engineer (PE) Civil exam.
Where PE Civil Water Resources and Environmental fits
Required for a California civil engineering license, together with the two California exams.
The California civil engineering license path
California engineer-in-training certification requires passing the Fundamentals of Engineering (FE) exam plus three years of postsecondary engineering education, engineering experience, or a combination of the two.
Six years of qualifying engineering experience in the branch applied for.
An approved (ABET-accredited) engineering degree is credited as four years; an approved postgraduate engineering degree can be credited up to five.
Pass the NCEES FE and PE Civil exams before applying for licensure.
After the application is approved in technical review, pass the two California exams, Civil Seismic Principles and Civil Engineering Surveying, offered in quarterly windows.
Designed for engineers with at least four years of post-college work experience in the discipline.
NCEES has posted new PE Civil exam specifications effective beginning April 2027; exams before then use the current specifications.
PE Civil Water Resources and Environmental exam format
Format: computer-based, year-round at NCEES-approved Pearson VUE test centers
Questions: 80
Appointment: 9 hours: 2-minute nondisclosure agreement, 8-minute tutorial, 8 hours of exam time, 50-minute scheduled break
Item types: multiple choice plus alternative item types
Reference material: NCEES supplies an electronic reference handbook and the specified design standards
Fees: see the certifying body's own page; this site does not print them
PE Civil Water Resources and Environmental sample question
Hydraulics: pump power for a system · an original practice item written only from publicly available sources, not a real exam question
A pump lifts 10 cubic feet per second (cfs) from a reservoir at elevation 100 ft to one at elevation 180 ft. Friction and minor losses in the line total 12 ft at that flow, and the pump efficiency is 80%. Taking water at 62.4 lb/ft³, what brake horsepower does the pump need?
83.5 hp
104 hp
113 hp
131 hp
Answer and working
D. 131 hp
Total dynamic head = static lift + losses = (180 − 100) + 12 = 92 ft. Water horsepower = γ Q H ÷ 550 = 62.4 × 10 × 92 ÷ 550 = 104.4 hp. Brake horsepower = 104.4 ÷ 0.80 = 131 hp. 104 is the water horsepower with no efficiency applied, 83.5 multiplies by the efficiency instead of dividing, and 113 divides by the efficiency but leaves the 12 ft of losses out of the head (62.4 × 10 × 80 ÷ 550 ÷ 0.80).
PE Civil Water Resources and Environmental questions answered
What is the format of the PE Civil Water Resources and Environmental exam?
80 questions, computer-based, year-round at NCEES-approved Pearson VUE test centers, multiple choice plus alternative item types. The appointment is 9 hours: 2-minute nondisclosure agreement, 8-minute tutorial, 8 hours of exam time, 50-minute scheduled break. NCEES supplies an electronic reference handbook and the specified design standards.
How does the PE Civil Water Resources and Environmental exam fit the path to a California civil engineering license?
Required for a California civil engineering license, together with the two California exams. Six years of qualifying engineering experience in the branch applied for. An approved (ABET-accredited) engineering degree is credited as four years; an approved postgraduate engineering degree can be credited up to five. Pass the NCEES FE and PE Civil exams before applying for licensure. After the application is approved in technical review, pass the two California exams, Civil Seismic Principles and Civil Engineering Surveying, offered in quarterly windows.
Are the PE Civil Water Resources and Environmental exam specifications changing?
NCEES has posted new PE Civil exam specifications effective beginning April 2027; exams before then use the current specifications.
What this exam covers
Project Planning
Soil Mechanics
Materials
Analysis & Design
Hydraulics - Closed Conduit
Hydraulics - Open Channel
Hydrology
Groundwater & Wells
Surface & Groundwater Quality
Drinking Water Distribution & Treatment
Wastewater Collection & Treatment
Project Sitework
How to study for it here
Practice quizzes — filter to any topic above and work through it with explanations.
Flashcards — spaced repetition over terms, formulas and regulations.
Mock exam — a timed run at this grade.
Official formula sheet — a link to the sheet the certifying body publishes for this exam, where it publishes one, so you study from the real thing.
Free, no account, and progress stays in your browser.
Applying for Civil Engineer licensure, California Board for Professional Engineers, Land Surveyors, and Geologists (BPELSG) (live page, read 2026-09-26)
Topic coverage follows PE Civil — Water Resources and Environmental Exam Specifications, effective April 2024 (National Council of Examiners for Engineering and Surveying).
Practice questions are written only from publicly available sources
(that outline and the regulations and references it cites); they are
not real exam questions, which are confidential.
Check current application requirements, fees and exam dates on the
certifying body's own page: official certification page.
Questions, flashcards, and explanations are AI-written from publicly available sources only: the exam content outlines and candidate materials each certifying body publishes without restriction, and the regulations and technical references they cite. No confidential material is used, including actual exam questions, recollections of any exam sat by the author, or any handbook or document released under a confidentiality agreement. Content is then put through repeated review — regulatory values checked against primary sources, every calculation recomputed, and errors corrected — plus spot checks by the author, who holds California water operator certifications and a California civil engineering licence. Those spot checks are sampling, not a professional review: nothing here is stamped, sealed, or offered as engineering advice, and not every item has been individually verified, so mistakes can still slip through.