INDIANA CERTIFIED
POOL OPERATOR
Exam Practice Questions
2026-2027 Edition
Verified Answers Plus Rationales
Q&A; | Instant Download PDF
EXAM SPECIFICATIONS
Time Allocation: 3 Hours
Total Questions: 75 Questions
Question Format: Multiple Choice with Rationales
Minimum Competency: 70% Required to Pass
Core Focus: Water Chemistry, Filtration, Safety, Indiana Code
Indiana Certified Pool Operator Exam Prep 2026-2027 Page 1
, Exam Overview & Content Outline
EXAM PURPOSE
Indiana Certified Pool Operator (CPO) certification covers pool and spa operation, water chemistry,
filtration, disinfection, safety, and compliance. Based on NSPF/Pool & Hot Tub Alliance, Indiana State
Department of Health 410 IAC 6-2.1, and CDC Model Aquatic Health Code.
CONTENT DISTRIBUTION
• Water Chemistry (30%) — pH, alkalinity, chlorine, bromine, cyanuric acid, calcium hardness, LSI,
water balance
• Filtration & Circulation (25%) — Sand, DE, cartridge filters, pumps, turnover rate, flow rate,
backwashing
• Disinfection & Sanitization (20%) — Chlorine types, bromine, UV, ozone, ORP, superchlorination,
breakpoint
• Safety & Risk Management (15%) — Entrapment, suction, electrical, chemical handling,
emergency procedures, signage
• Indiana Regulations & Compliance (10%) — 410 IAC 6-2.1, inspections, recordkeeping, water
quality standards, closure
QUESTION FORMAT & SCORING
Each item presents four options. Correct answers are highlighted in green with checkmark (✓).
Every question includes detailed rationale with pool operation standards. Indiana requires 70% to
pass CPO exam.
STUDY STRATEGY
Master water balance and Langelier Saturation Index. Know disinfection chemistry and breakpoint
chlorination. Understand filtration types and turnover rates. Review Indiana 410 IAC 6-2.1
requirements. Study entrapment prevention and VGB Act. Practice calculations for chemical dosing
and flow rates.
CURRICULUM ALIGNMENT
Questions reflect 2026-2027 standards: NSPF/Pool & Hot Tub Alliance CPO, Indiana State
Department of Health 410 IAC 6-2.1, CDC Model Aquatic Health Code, ANSI/APSP standards, and
Virginia Graeme Baker Act.
Indiana Certified Pool Operator Exam Prep 2026-2027 Page 2
, Indiana Certified Pool Operator Exam Prep 2026-2027 Page 3
POOL OPERATOR
Exam Practice Questions
2026-2027 Edition
Verified Answers Plus Rationales
Q&A; | Instant Download PDF
EXAM SPECIFICATIONS
Time Allocation: 3 Hours
Total Questions: 75 Questions
Question Format: Multiple Choice with Rationales
Minimum Competency: 70% Required to Pass
Core Focus: Water Chemistry, Filtration, Safety, Indiana Code
Indiana Certified Pool Operator Exam Prep 2026-2027 Page 1
, Exam Overview & Content Outline
EXAM PURPOSE
Indiana Certified Pool Operator (CPO) certification covers pool and spa operation, water chemistry,
filtration, disinfection, safety, and compliance. Based on NSPF/Pool & Hot Tub Alliance, Indiana State
Department of Health 410 IAC 6-2.1, and CDC Model Aquatic Health Code.
CONTENT DISTRIBUTION
• Water Chemistry (30%) — pH, alkalinity, chlorine, bromine, cyanuric acid, calcium hardness, LSI,
water balance
• Filtration & Circulation (25%) — Sand, DE, cartridge filters, pumps, turnover rate, flow rate,
backwashing
• Disinfection & Sanitization (20%) — Chlorine types, bromine, UV, ozone, ORP, superchlorination,
breakpoint
• Safety & Risk Management (15%) — Entrapment, suction, electrical, chemical handling,
emergency procedures, signage
• Indiana Regulations & Compliance (10%) — 410 IAC 6-2.1, inspections, recordkeeping, water
quality standards, closure
QUESTION FORMAT & SCORING
Each item presents four options. Correct answers are highlighted in green with checkmark (✓).
Every question includes detailed rationale with pool operation standards. Indiana requires 70% to
pass CPO exam.
STUDY STRATEGY
Master water balance and Langelier Saturation Index. Know disinfection chemistry and breakpoint
chlorination. Understand filtration types and turnover rates. Review Indiana 410 IAC 6-2.1
requirements. Study entrapment prevention and VGB Act. Practice calculations for chemical dosing
and flow rates.
CURRICULUM ALIGNMENT
Questions reflect 2026-2027 standards: NSPF/Pool & Hot Tub Alliance CPO, Indiana State
Department of Health 410 IAC 6-2.1, CDC Model Aquatic Health Code, ANSI/APSP standards, and
Virginia Graeme Baker Act.
Indiana Certified Pool Operator Exam Prep 2026-2027 Page 2
, Indiana Certified Pool Operator Exam Prep 2026-2027 Page 3
