Here is a list of the local Mikva'os with contact information and hours: 
 
Highland Park Mikvah
Phone: (732) 249-2411
Sunday - Thursday: 8:30pm - 10:30pm
Saturday Nights - 7:30pm - 10:00:PM
Friday & Yom Tov: By Appointment Only
Fee is $20 and $20 additional for out of hours
hours
 
The Keilim Mikvah at Ohr Torah
Phone: (732) 777-6840
Every Sunday morning: 7:15am - 9:45am
It can also be used anytime the shul is open during minyan hours
 
East Brunswick Mikvah at the Young Israel
Phone: (732) 257-4121
Sunday - Thursday: 9:00pm - 11:00pm
Friday: By Appointment Only
Saturday: 1.5 hours after Shabbos ends, for 2 hours only
Keilim: By Appointment Only
 
The Mikvah at Chabad House of Rutgers University
Phone: (732) 296-0613
Phone: (732) 545-2365 --> Sarah Goodman
Hours: By Appointment Only
Sun, July 23 2017 29 Tammuz 5777