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Stormwater Drainage in Old Greenwich

Connecticut Stormwater Authority offers the best and most comprehensive products and services to drain away unwanted stormwater in Old Greenwich and throughout Riverside and Fairfield counties in Connecticut. We take pride in our status as the only contractor in Connecticut to receive both the “CULTEC Certified Installer” and “CULTEC Certified Maintenance Provider” designations.

Since 2003, we have developed a special relationship with CULTEC, the founder of plastic stormwater chamber technology. We have built on that relationship to create exceptional products and to provide quality drainage-related serves for our customers in Old Greenwich and its surrounding communities. Our firm is managed and operated by HAAG engineering professionals and we have an in-house professional engineer. As a CULTEC-certified Installer and CULTEC-certified maintenance provider, we offer both commercial and residential services and best-in-class warranties on both materials and labor.

Services Offered by CT Stormwater Authority in Old Greenwich

CT Stormwater Authority helps homeowners and business owners in Old Greenwich to meet their stormwater drainage system needs through regular maintenance to ensure that their systems are operational and efficient. We serve customers in both Fairfield County and Riverside County, CT. Some of our most popular services include:


Rely on CT Stormwater Authority to Install Your Stormwater Drainage System in Old Greenwich

The proven professionals from Connecticut Stormwater Authority offer the best and most comprehensive drainage services for your property in Old Greenwich and throughout Fairfield & Riverside counties in Connecticut. For years, we have set the industry standard for stormwater drainage systems in our local communities. When you need our help, contact us online or give us a call at 203-884-0307.


Completed Jobs from Old Greenwich

With our engineer, we designed a solution. Our design included a number of features. A gallery of 12 CULTEC 330XLHD stormwater chambers to store an incredible amount of water, new oversized copper gutters rerouted into underground drains, a berm along one landline to keep out surface runoff and a yard drain at a critical low point in the yard that is historically troubled. We also modified and rerouted the pre-existing sump pump to directly tie into our new CULTEC system.

Before and After Job Photos Old Greenwich

October 15, 2021
Old Greenwich, CT
This customer sourced us for a solution because they were taking on water from all directions. They were incurring water from the neighbor’…
March 26, 2020
Old Greenwich, CT
CT Stormwater Authority LLC performed a pressure washing to a backyard patio for a client in Old Greenwich, CT. Our client was amazed wit…
April 2, 2021
Old Greenwich, CT
Maintaining underground catch basins in Old Greenwich, CT with CT STORMWATER AUTHORITY LLC Do you need your stormwater systems maintained? …

Photo Galleries from Old Greenwich