Rhode Island

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 boardRhode Island Board of Registration for Professional Engineers

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

  • Coastal flooding and hurricane storm surge
  • Sea level rise
  • Frost depth
  • Aging infrastructure

Building code: 2021 IBC and 2018 IRC adopted at the state level (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 Rhode Island?

Engineers practicing in Rhode Island are licensed by the Rhode Island Board of Registration for Professional Engineers. 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 Rhode Island?

2021 IBC and 2018 IRC adopted at the state level (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 Rhode Island?

Common issues include coastal flooding and hurricane storm surge, sea level rise, frost depth and aging infrastructure.

Cities we serve

Full service details →   State requirements →