Department of Environmental Protection

This four (4) channel low band system can be used by all DEP staff. The most frequent users are the State Environmental Conservation Police (EnCon, formerly Conservation Officers) and the State Parks.
A number of vehicles used by State agencies are equipped with DEP radios for emergency use. Typically they are vehicles leased from the Department of Administrative Services. Use of the radios by non-DEP staff has continually dropped to virtually nothing now that everyone has a cell phone.
DEP Emergency Dispatch (CO) is located at DEP Headquarters in Hartford, CT.
To report violations to DEP (hunting, fishing, or any illegal/suspicious activity on State land, call:
(860) 424-3333

DEP System Frequencies

Channel	Frequency	Tone	Description
1	44.68	114.8	Parks, Forestry, Haz-Mat, K9, Eastern District EnCon Police
2	44.72	114.8	Haz-Mat Alternate, EnCon as necessary (little activity)
3	44.76	114.8	Shoreline Parks, Marine District EnCon Police
4	44.92	114.8	Western District EnCon Police & Lake Authorities
	172.275	114.8/CSQ	EnCon Police Portables/Mobile Extender

Do not use a PL in your scanner for the extender frequency or you will only hear the portables.
If you are near the coast, you may pick up NY EnCon activity from Long Island on the mobile extender frequency with a PL of 94.8

Number Series	User
600's	EnCon Police
700's	Seasonal Conservation Officers
800's	Lake Authority Marine Patrol

EnCon Police officers also have CSP radios in their vehicles. If necessary, they will call in to whichever Troop they are in the area of.
Since CSP already have their own 600 number series, EnCon officers call in as 6 + their own number (example: 631 would call in as 6631).

Lake Authorities are essentially corporations formed by two or more towns which have within their territorial limits a body of state water and are authorized by CGS 7-151a.
Lake Patrol Officers are appointed by the Commissioner of the DEP and are authorized to carry a baton, firearm, or both upon completion of the proper training. CGS 7-151b
Lake Patrol Officers are supervised by the EnCon sergeant responsible for the area the lake is in.

Lake Authority Marine Patrol units in western CT contact DEP Dispatch on DEP Ch. 4

Frequency	Tone	Description
155.2950	131.8	Lake Housatonic Authority Marine Patrol
DEP/Nextel		Candlewood Lake Authority

These are the only Lake Authorities I know of that have active Lake Patrol units.