Wastewater Permits and Regulations Questions
Statutes, permits and design criteria open Texas’s wastewater Need-to-Know Criteria; WPI places them under Security, Safety and Administrative Procedures.
100 questions across the published subjects, with a score for every area and an explanation for every option.
Or try the free permits and rules drill- 23 original permits and rules questions, every option explained
- Tested on 9 of our 25 practice exams
Under standard NPDES permit conditions, what is a bypass?
What our permits and rules questions cover
- The Clean Water Act, NPDES and Texas TPDES
- Secondary treatment standards and permit averages
- DMRs, records, bypass, upsets and overflow reporting
- Pretreatment: pass-through and interference
- California exam rules and Texas 30 TAC Chapter 217

This list is our own summary, written for practice. The exam owners publish their outlines: California’s Expected Range of Knowledge, TCEQ’s Need-to-Know Criteria and WPI’s Need-to-Know Criteria.
Drill permits and rules, then sit a full practice exam
100 questions across the published subjects, with a score for every area and an explanation for every option.
Or try the free permits and rules drillIdeas the questions test most
- Secondary standard: 30 mg/L BOD5 and TSS (30-day), 85% removal, pH 6–9.
- Keep NPDES monitoring records at least three years.
- Report overflows; do not wash them into storm drains.
- California wastewater exams need 70% of points and 50% of math points.
Start the free permits and rules drill · TCEQ Class D Wastewater practice test · California Wastewater Grade I practice test · California Wastewater Grade II practice test · TCEQ Class C Wastewater practice test · TCEQ Collection Class I practice test · Wastewater Treatment Class I practice test
Common questions
What is a DMR?
A Discharge Monitoring Report: the periodic report of effluent sampling results that the discharge permit requires.
What is a bypass?
An intentional diversion of waste streams around any part of the treatment facility; bypasses are prohibited except under narrow conditions and must be reported.
100 questions across the published subjects, with a score for every area and an explanation for every option.
Or try the free permits and rules drillMore operator topics
Outlines used for these questions: Expected Range of Knowledge, Drinking Water Treatment Exam (rev. 4/2020, PDF) · Expected Range of Knowledge, Drinking Water Distribution Exam (rev. 4/2020, PDF) · TCEQ: Need-to-Know Criteria for public water system operators · TCEQ: What applicants for wastewater licenses need to know · WPI: 2025 Need-to-Know Criteria.
Game Assessment Prep is an independent practice site, not affiliated with or endorsed by Water Professionals International (WPI, formerly ABC), the California State Water Resources Control Board or the Texas Commission on Environmental Quality. Every question is original; none is taken from a certification exam, an official study guide or another prep provider.