Sources

Prepared by the Celtic Rainwater Wiki editorial team · Created 9 November 2026 · Last checked 9 November 2026

Summary: Every source cited on CelticRainwater.wiki, by type, with the date accessed.

What does the company publish?

Celtic Rainwater Systems’ own website. Used for its services and contact details, and attributed to it.

• Celtic Rainwater Systems (home page: mission, about us, areas of expertise). Celtic Rainwater Systems (celticrainwater.com). Accessed 9 November 2026.
• Gutter Installation. Celtic Rainwater Systems (celticrainwater.com). Accessed 9 November 2026.
• Gutter Cleaning (seasonal maintenance plan). Celtic Rainwater Systems (celticrainwater.com). Accessed 9 November 2026.
• Gutter Guards. Celtic Rainwater Systems (celticrainwater.com). Accessed 9 November 2026.
• Drainage (PVC downspout drainlines, French drains, basement drainage and sump pumps). Celtic Rainwater Systems (celticrainwater.com). Accessed 9 November 2026.
• Contact (request a free quote or on-site visit). Celtic Rainwater Systems (celticrainwater.com). Accessed 9 November 2026.

Which records and listings are used?

Business-record aggregators and the state database, the Google listing, and directory profiles, each with the date checked.

• Celtic Rainwater Systems, Google Business Profile (Maps listing, CID 10935833364039632680). Google Maps. Accessed 9 November 2026.
• Celtic Rainwater Systems LLC reviews, Indianapolis, IN. Angi. Accessed 9 November 2026.
• Celtic Rainwater Systems LLC reviews, Indianapolis, IN. HomeAdvisor. Accessed 9 November 2026.
• Celtic Rainwater Systems (business page). Nextdoor. Accessed 9 November 2026.
• Celtic Rainwater Systems (Facebook page). Facebook. Accessed 9 November 2026.
• Celtic Rainwater Systems, LLC (Indiana company profile). Bizapedia. Accessed 9 November 2026.
• INBiz business search (Indiana Secretary of State). Indiana Secretary of State. Accessed 9 November 2026.
• Celtic Rainwater Systems, BBB business profile search. Better Business Bureau. Accessed 9 November 2026.

Which government, utility and code sources are used?

City of Indianapolis, Citizens Energy Group, NOAA, EPA, USGS, DOE, OSHA and the International Residential Code.

• Our Wastewater Correct Connect Initiative. Citizens Energy Group. Accessed 9 November 2026.
• Stormwater User Rate, Payment Options and Credit Manual. City of Indianapolis (indy.gov). Accessed 9 November 2026.
• Revised Code, Chapter 131, Article IV, Division 2: Stormwater user fee (Sec. 131-422). Indianapolis-Marion County (Municode). Accessed 9 November 2026.
• Revised Code, Chapter 676: Stormwater Management District (credits, Sec. 676-303). Indianapolis-Marion County (Municode). Accessed 9 November 2026.
• Homeowner’s Building Permit Guide (work exempt from permitting; local design criteria). City of Indianapolis and Marion County, Department of Business and Neighborhood Services. Accessed 9 November 2026.
• Contractor Licenses. City of Indianapolis (indy.gov). Accessed 9 November 2026.
• Drainage Permits. City of Indianapolis (indy.gov). Accessed 9 November 2026.
• Foundation Drain, Gutters and Downspouts. U.S. Department of Energy, Building Science Education Solution Center. Accessed 9 November 2026.
• Attic Air Sealing, Insulating, and Ventilating for Ice Dam Prevention. Building America Solution Center (PNNL, U.S. DOE). Accessed 9 November 2026.
• Got ice dams? Learn what to do and how to prevent them. Minnesota Department of Commerce. Accessed 9 November 2026.
• Soak Up the Rain: Rain Barrels. U.S. Environmental Protection Agency. Accessed 9 November 2026.
• Soak Up the Rain: Disconnect / Redirect Downspouts. U.S. Environmental Protection Agency. Accessed 9 November 2026.
• 2021 International Residential Code, Section R401.3 Drainage. International Code Council. Accessed 9 November 2026.
• 2021 International Residential Code, Section R801.3 Roof drainage. International Code Council. Accessed 9 November 2026.
• Global Historical Climatology Network daily (GHCNd), station USW00093819, Indianapolis International Airport. NOAA National Centers for Environmental Information. Accessed 9 November 2026.
• Global Historical Climatology Network daily (GHCNd) documentation. NOAA National Centers for Environmental Information. Accessed 9 November 2026.
• Rain and Precipitation (How much water falls during a storm?). U.S. Geological Survey Water Science School. Accessed 9 November 2026.
• Portable Ladder Safety (QuickCard). Occupational Safety and Health Administration. Accessed 9 November 2026.

Which general references are used?

Encyclopedia articles for background definitions.

• French drain. Wikipedia. Accessed 9 November 2026.
• Rain gutter. Wikipedia. Accessed 9 November 2026.
• Sump pump. Wikipedia. Accessed 9 November 2026.
• Ice dam (roof). Wikipedia. Accessed 9 November 2026.
• Irvington Historic District (Indianapolis). Wikipedia. Accessed 9 November 2026.
• Castleton, Indianapolis. Wikipedia. Accessed 9 November 2026.

What was looked at and left out?

• Individual customer reviews: read for themes, not quoted.
• Social media posts naming possible staff or owners: not used, because they are not public records and the company does not name its people.
• An older directory listing with a different address: not used for the address; noted as an open question.
• AI search answers about the company: kept as a baseline in the project files, not used as a source.

Common questions