Engineering Services

Engineering Services

Utility Locates

City staff locates water, sanitary sewer, and storm lines within City right-of-way when requested through Colorado 811. City staff does not perform locates on private property.

Flood Safety

Find out if your home is in a floodplain, and learn more about flood safety through the Mile High Flood District (MHFD).

City Surveyor

The City Surveyor provides surveying services and technical information for CIP projects, consultants, and other City departments. Those services include computer drafting, topographic surveys, legal descriptions, and plat reviews. 

Horizontal Control

​Thornton does not maintain a survey network. When working on City projects, please use NGS monuments and/or the Adams County Network for your control points.

Vertical Control

The vertical datum must be based upon the North American Vertical Datum 1988 (NAVD 88) You may use the City of Thornton benchmarks, benchmarks from NGS, and the Adams County Control points.

Surveyor engineering equipment with theodolite.