Texas

MS4 Stormwater Program Support

Engineering support for cities and counties meeting municipal separate storm sewer system permit requirements.

Typical US fee$10,000 to $200,000
Typical timelineOngoing
Licensing boardTexas Board of Professional Engineers and Land Surveyors

What the work involves

Many municipalities hold MS4 permits requiring public education, illicit discharge detection, construction and post-construction controls, and good housekeeping. Engineers help draft ordinances, map outfalls, inspect facilities, review development plans and prepare annual reports.

Local conditions we plan for

  • Expansive clay soils and foundation movement
  • Hurricanes and coastal flooding on the Gulf Coast
  • Flash flooding (Hill Country, Houston)
  • Karst in the Edwards Aquifer region

Building code: 2012 IBC/IRC listed at the state level; local jurisdictions may adopt newer editions (ICC adoption chart, April 2026).

When you need it

  • Municipality covered by an MS4 permit
  • Annual report due
  • Outfall mapping
  • Stormwater utility creation

Frequently asked questions

How much does mS4 Stormwater Program Support cost?

Across the US, mS4 Stormwater Program Support usually costs $10,000 to $200,000 per year. Estimate. Depends on community size and permit requirements.

How long does mS4 Stormwater Program Support take?

Plan on Ongoing from signed proposal to stamped deliverables, longer if a site visit, soil testing or a permit review cycle is involved.

Do I need a licensed PE for mS4 Stormwater Program Support?

In most US jurisdictions, yes. When the work needs a permit, the plans, calculations or report usually must be sealed by a Professional Engineer licensed in the state where the project is located. Every deliverable we issue for permit is sealed that way.

How do I verify an engineer's license in Texas?

Engineers practicing in Texas are licensed by the Texas Board of Professional Engineers and Land Surveyors. You can confirm a license number and its status in the board's public license search before you sign a contract.

Which building code applies in Texas?

2012 IBC/IRC listed at the state level; local jurisdictions may adopt newer editions (ICC adoption chart, April 2026). Cities and counties can add local amendments, which is one reason to hire an engineer who works in your area.

What site problems do engineers see most in Texas?

Common issues include expansive clay soils and foundation movement, hurricanes and coastal flooding on the Gulf Coast, flash flooding (Hill Country, Houston) and karst in the Edwards Aquifer region.

Cities we serve

Full service details →   State requirements →