Sources

Colorado state fire profile; national residential fire death and injury rates.

U.S. Fire Administration

U.S. Fire Administration. Colorado state fire profile; national residential fire death and injury rates.

Cited in questions 23

“Thinking Green with Fire Sprinklers.” Average fire department discharge against sprinkler discharge.

National Park Service

National Park Service. “Thinking Green with Fire Sprinklers.” Average fire department discharge against sprinkler discharge.

Cited in questions 28

Wildfire cause categories, including structure origin.

National Interagency Fire Center

National Interagency Fire Center. Wildfire cause categories, including structure origin.

Cited in questions 37, 40

Environmental Impact of Automatic Fire Sprinklers. Comparative burn tests, 2010; reaffirmed 2021. Water, emissions and wastewater pH.

FM Global and Home Fire Sprinkler Coalition

FM Global and Home Fire Sprinkler Coalition. Environmental Impact of Automatic Fire Sprinklers. Comparative burn tests, 2010; reaffirmed 2021. Water, emissions and wastewater pH.

Cited in questions 46, 47, 48

“Do Housing Prices Change with Building Codes?” University of Alabama, June 2026. Forty-five code adoptions across 26 states.

Awondo, Crawford and Powell

Awondo, Crawford and Powell. “Do Housing Prices Change with Building Codes?” University of Alabama, June 2026. Forty-five code adoptions across 26 states.

Cited in questions 10, 16, 17

CFIRS annual dashboard summaries.

Colorado Division of Fire Prevention and Control

Colorado Division of Fire Prevention and Control. CFIRS annual dashboard summaries.

Cited in questions 23

U.S. Experience with Sprinklers, 2017–2021 data. Death, injury, property loss and containment rates.

National Fire Protection Association

National Fire Protection Association. U.S. Experience with Sprinklers, 2017–2021 data. Death, injury, property loss and containment rates.

Cited in questions 19, 22, 37, 41, 44

Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes. Design flow, pressure and duration.

NFPA 13D

NFPA 13D. Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes. Design flow, pressure and duration.

Cited in questions 29, 32, 64

International Residential Code, Section R309 and Section P2904; International Fire Code Appendices B, C and D.

International Code Council

International Code Council. International Residential Code, Section R309 and Section P2904; International Fire Code Appendices B, C and D.

Cited in questions 14, 51, 57

Residential Fire Sprinkler Systems: Guidance for Water Utilities, 2018. Meter sizing, backflow, rates, purveyor coordination.

American Water Works Association

American Water Works Association. Residential Fire Sprinkler Systems: Guidance for Water Utilities, 2018. Meter sizing, backflow, rates, purveyor coordination.

Cited in questions 29, 30, 31, 32, 33, 34

Residential Fire Sprinklers — Water Usage and Water Meter Performance Study, 2011.

Fire Protection Research Foundation

Fire Protection Research Foundation. Residential Fire Sprinklers — Water Usage and Water Meter Performance Study, 2011.

Cited in questions 33

Residential Fire Sprinklers: A Step-by-Step Approach for Communities.

NFSA and IAFC

NFSA and IAFC. Residential Fire Sprinklers: A Step-by-Step Approach for Communities.

Cited in questions 7, 43

2024 I-Codes and county supplements, adopted March 31, 2026; effective July 1, 2026.

Jefferson County adopted building codes

Jefferson County adopted building codes. 2024 I-Codes and county supplements, adopted March 31, 2026; effective July 1, 2026.

Cited in questions 51, 57

Adopted March 10, 2026; effective July 1, 2026. Purpose clause, structure hardening and defensible space.

Jefferson County Wildfire Resiliency Code

Jefferson County Wildfire Resiliency Code. Adopted March 10, 2026; effective July 1, 2026. Purpose clause, structure hardening and defensible space.

Cited in questions 37, 38

Home fire sprinkler program and residential sprinkler white paper. District average install cost and average fire loss.

Arvada Fire Protection District

Arvada Fire Protection District. Home fire sprinkler program and residential sprinkler white paper. District average install cost and average fire loss.

Cited in questions 1, 5

ISO Public Protection Classification tiers and water supply weighting.

Evergreen Fire Rescue

Evergreen Fire Rescue. ISO Public Protection Classification tiers and water supply weighting.

Cited in questions 13, 43

Cost of Constructing a Home, 2024 survey. Construction cost breakdown and builder profit margin.

National Association of Home Builders

National Association of Home Builders. Cost of Constructing a Home, 2024 survey. Construction cost breakdown and builder profit margin.

Cited in questions 3, 4

Comment letter on residential sprinkler requirements, October 15, 2025.

Home Builders Association of Metro Denver

Home Builders Association of Metro Denver. Comment letter on residential sprinkler requirements, October 15, 2025.

Cited in questions 2, 16, 20

Colorado employment projections for plumbers, pipefitters, steamfitters and sprinkler fitters.

U.S. Department of Labor, O*NET

U.S. Department of Labor, O*NET. Colorado employment projections for plumbers, pipefitters, steamfitters and sprinkler fitters.

Cited in questions 7

Trade-up case studies, water usage materials, and the Understanding Water Supply brochure.

Home Fire Sprinkler Coalition

Home Fire Sprinkler Coalition. Trade-up case studies, water usage materials, and the Understanding Water Supply brochure.

Cited in questions 14, 20, 31, 66

“Residential Fire Sprinklers: A True Cost Assessment.” International Fire Professional, Institution of Fire Engineers, Issue 57, August 2026. Colorado permit-record cost analysis.

Brown, B.

Brown, B. “Residential Fire Sprinklers: A True Cost Assessment.” International Fire Professional, Institution of Fire Engineers, Issue 57, August 2026. Colorado permit-record cost analysis.

Cited in questions 1, 2, 3, 4

Saving Lives, Saving Money: Automatic Sprinklers, A 10 Year Study. Rural/Metro Fire Department, Scottsdale, 1997.

Ford, J.

Ford, J. Saving Lives, Saving Money: Automatic Sprinklers, A 10 Year Study. Rural/Metro Fire Department, Scottsdale, 1997.