Water Treatment Engineering in Billings, MT
Billings is Montana's largest city and the regional hub for energy production, healthcare, and commercial services across the Yellowstone Valley, with oil and gas facility, medical campus, and commercial engineering as primary project types.
49 states · 10+ PEs · Same-day quotes on qualifying scopes · Zero excuses
What we engineer
Municipal and commercial water treatment design — conventional and membrane filtration, disinfection (chlorine, chloramine, UV, ozone), reverse osmosis, softening, and iron/manganese removal; industrial pretreatment systems and NPDES stormwater plans; backflow prevention assemblies per ASSE standards and cross-connection control programs; private well systems with treatment trains for arsenic, nitrate, PFAS, and hardness.
Compliance that passes review
EPA Safe Drinking Water Act compliance, state primacy-agency permits (DEP/DNR/DEQ), Lead and Copper Rule revisions, PFAS MCLs, and NPDES discharge permits — our PE-stamped plans and engineering reports carry treatment designs through plan review the first time.
Backed by licensed PEs
All water treatment engineering is backed by Apex Grid Engineering: 10+ PEs licensed across 49 states, 20+ engineers, 15+ years of plan sets that pass plan check.
Project types
- Commercial office & retail
- Healthcare & medical facilities
- Institutional & civic
- Energy production & utility facilities
- Power generation & substation
- Hospital & surgical center expansion
- Medical office buildings
Everything else your project needs
MEP Engineering in Billings
Mechanical, electrical & plumbing design — permit-ready drawings, best price.
Structural Engineering in Billings
Structural design, analysis & PE stamping — permit-ready drawings, best price.
Civil Engineering in Billings
Site civil & land development — permit-ready drawings, best price.
Electrical Engineering in Billings
Power distribution, panels & lighting design — permit-ready drawings, best price.
Plumbing Engineering in Billings
Water, sewer, gas & fixture design — permit-ready drawings, best price.
HVAC Engineering in Billings
Heating, cooling, ventilation & ductwork — permit-ready drawings, best price.
PE Stamping in Billings
Licensed PE stamps on your plans — fast turnaround, best price.
Structural Stamping in Billings
Licensed PE stamps on structural plans & calculations — fast turnaround, best price.
MEP Stamping in Billings
Licensed PE stamps on MEP plan sets — fast turnaround, best price.
Civil Stamping in Billings
Licensed PE stamps on civil & site plans — fast turnaround, best price.
Fire Protection Engineering in Billings
Fire sprinkler, alarm & suppression design — permit-ready drawings, best price.
Plan Check Corrections in Billings
Plan check comments answered fast — resubmittal-ready corrections, best price.
Energy Modeling & Compliance in Billings
Title 24, COMcheck & ASHRAE 90.1 compliance — pass plan check, best price.
Tenant Improvement Engineering in Billings
TI engineering for office, retail & restaurant buildouts — permit-ready, best price.
Low Voltage Engineering in Billings
Fire alarm, data, security & AV design — permit-ready drawings, best price.
Seismic Retrofit Engineering in Billings
Earthquake retrofit design & PE-stamped plans — best price.
Solar Engineering in Billings
PV structural analysis, NEC 690 electrical design & interconnection — permit-ready drawings, best price.
Fire Alarm Engineering in Billings
NFPA 72 fire alarm design, voice evacuation & mass notification — permit-ready drawings, best price.
Security System Engineering in Billings
Access control, video surveillance & intrusion detection design — permit-ready drawings, best price.
Building Automation Engineering in Billings
BACnet controls, BMS design & smart building integration — permit-ready drawings, best price.
Elevator Engineering in Billings
ASME A17.1 elevator design, modernization & code compliance — permit-ready drawings, best price.
Industrial Electrical Engineering in Billings
NEC Article 430 industrial power design, arc flash & hazardous locations — permit-ready drawings, best price.
Plumbing Design Engineering in Billings
IPC/UPC plumbing design, medical gas & backflow engineering — permit-ready drawings, best price.
HVAC Retrofit Engineering in Billings
HVAC retrofits, electrification & decarbonization design — PE-stamped mechanical plans, best price.
Electrical Panel Upgrade Engineering in Billings
Panel upgrades, load calculations & utility coordination — permit-ready drawings, best price.
Emergency Power Engineering in Billings
Generators, NFPA 110 systems & life-safety power design — permit-ready drawings, best price.
Renewable Energy Engineering in Billings
Wind, geothermal & hybrid renewable engineering — feasibility, PE-stamped design & interconnection, best price.
Energy Audit Engineering in Billings
ASHRAE Level 1/2/3 energy audits, benchmarking & retro-commissioning — find the waste, prove the savings, best price.
EV Charging Engineering in Billings
EV charging station design — NEC 625, load calculations & service upgrades, permit-ready drawings, best price.
Battery Storage Engineering in Billings
Battery storage design per NEC 706 & NFPA 855 — permit-ready drawings, best price.
Commissioning Engineering in Billings
Building commissioning & functional testing — systems verified to work as designed, best price.
Data Center Engineering in Billings
Mission-critical MEP for data centers — Tier III/IV electrical, cooling & fire protection, best price.
Generator Engineering in Billings
Standby generator sizing, ATS & emergency power design — permit-ready drawings, best price.
Lighting Design Engineering in Billings
Photometric lighting design, controls & code compliance — permit-ready drawings, best price.
Medical Facility Engineering in Billings
Medical gas, exam-room HVAC & healthcare electrical design — permit-ready drawings, best price.
Commercial Kitchen Engineering in Billings
Commercial kitchen hoods, grease exhaust, gas & interceptors — permit-ready drawings, best price.
Pool Engineering in Billings
Pool structural, systems & permits — engineered for plan check approval.
ADU Design in Billings
Accessory dwelling unit plans — from concept to permit.
Engineering Cost Guide in Billings
Straight answers on what engineering really costs.