Spring Valley Wastewater Treatment Plant
Spring Valley, IL | Wastewater
Design and engineering for wastewater treatment facilities in Spring Valley, Illinois.

Public engineering firm profile
Peru, IL
Shaping communities with integrity, expertise, and purpose.
Chamlin & Associates delivers professional civil engineering, surveying, and planning services across North Central Illinois. Founded in 1952, the practice combines local insight with advanced technology to support municipal and private development. With a team of over 80 professionals and offices in Peru, Morris, and Ottawa, it specializes in land surveys, site development, drainage systems, transportation, water and wastewater treatment, geographic information systems, and geotechnical engineering.
Comprehensive surveying services providing foundational data for property definition, design, and construction projects.
Comprehensive planning and design services to guide projects from initial feasibility through strategic land use and development.
Comprehensive drainage and stormwater engineering solutions designed to protect properties and prevent flooding.
Structural engineering design, inspection, and management for bridges and critical infrastructure.
Design of safe and efficient road networks, working extensively with municipal and state transportation departments.
Sustainable and reliable water and sewer engineering, including complete treatment plant designs and regulatory upgrades.
GIS mapping and visualization services to transform data into visual asset management intelligence for communities.
Soil suitability analysis and testing to support stable structural designs and embankments.
Spring Valley, IL | Wastewater
Design and engineering for wastewater treatment facilities in Spring Valley, Illinois.
Coal City, IL | Wastewater
Design and engineering for wastewater treatment facilities in Coal City, Illinois.
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