In late 1994 Morse decided to start his own band and formed H2O in the Lower East Side of Manhattan with Rusty Pistachio and Eric Rice.

Another huge early show was when the band opened for No Doubt at Tramps (NYC) on Easter in 1996.

In the summer of 2000, H2O recorded a cover of the Ice Cube song "It Was a Good Day" and shoot a video around New York City in the middle of the night.

[1] Go was released in May 2001 and produced by Matt Wallace (Faith No More, Replacements, Maroon 5) and toured extensively (over 150 to 200 shows in a year) H2O made a video for "Role Model" and performed "Memory Lane" on the Conan O'Brien show in May of that year.

[2] In 2002, H2O recorded and released the EP All We Want, three new songs with two live tracks and the "Role Model" video.

[3][4] The band proceeded to support the album's release by opening for Rancid on a series of U.S. tour dates at various House of Blues venues.

They celebrated their 15th anniversary with tour dates in U.S., Europe, South America, Japan and all over the world in 2010.

Brian "Mitts" Daniels (Madball guitar player) filled in for Todd Morse because he was on tour with The Offspring.

In February through May 2011, they returned to the studio to begin recording a covers CD of some of their favorite punk bands.

On November 15, 2011, H2O released Don't Forget Your Roots, a 15-song tribute CD to some of their favorite bands.

On August 5 the same year, Todd Morse confirmed via his Twitter account that he was no longer a part of the band.

The album was recorded from March to May 2015 at Buzzbomb Sound Lab Studios and produced by Chad Gilbert.

On October 6, their new album Use Your Voice was made available for streaming on the Bridge 9 Records bandcamp page.

They would start the year on the Persistence Tour in Europe with Ignite, Terror, Iron Reagan, Twitching Tongues, Wisdom in Chains and Risk It!.

September 2016, H2O left for on a South American tour of Colombia, Peru, Chile, Argentina and Brazil.