Charles County MD Police Encrypt Early: P25 Scanners Go Dark

Charles County, Maryland police radio is now fully encrypted. The Southern Maryland county moved agencies onto its new P25 system on October 6 and 7, 2026, roughly a year ahead of the early-2027 cutover date that scanner listeners had been tracking. Fire and EMS traffic is still patched to the old system for now, but police dispatch is gone. There was no county press release, no public notice, and no warning window: the change was announced over the radio itself and documented by listeners who caught it in real time.

What Changed in Charles County, and When

Charles County began switching agencies to the new P25 radio system around October 6 and 7, 2026. The Maryland database administrator on RadioReference reported that county communications announced on its Fire and EMS channels that all Mobiles, Portables and Base Stations needed to be switched to the new P25 system at 1000 hours that day.

“All Fire, EMS and Police with ‘Updated’ equipment are now on the New P25 Radio System.” Maryland RadioReference database administrator, confirming the cutover on the county forum

The same post states that police traffic is 100% encrypted on P25. Dating the switch is possible because monitoring software screenshots attached to the thread are timestamped 2026-10-06 and 2026-10-07. No county press release announces it. A second forum member confirmed it independently by writing that they had just spoken to a chief in the county and that the system is live.

Why the Early Cutover Matters

Most encryption transitions give listeners a runway. A council approves a radio contract, a county posts a timeline, and the scanner community dates the change months in advance. Charles County did the opposite. A long-time member noted that the early cutover is a few months earlier than planned as of last year, and called it unusual in this segment of Maryland.

That difference matters for anyone who listens to catch what official channels publish later. Early cutovers remove the window where journalists, neighborhood groups, and residents can adapt by buying different equipment, moving to a different county feed, or pushing for a delayed-feed policy. Charles County listeners did not get that window.

The county sits inside the Washington, D.C. television market, where the encryption conversation has been active. Neighboring Fairfax County encrypted dispatch and sent D.C.-area scanner feeds dark, and Loudoun County went through its own prolonged fight. Southern Maryland had been one of the last audible pieces of that metro area. That is now much narrower.

What You Can Still Hear in Charles County Right Now

Fire and EMS are not on the same path as police. Several primary talkgroups are patched between the new P25 system and the legacy Smartnet system, which means parts of the county are still audible on older scanners while those patches hold:

• Fire Dispatch, talkgroup 16042, patched and still monitorable.
• La Plata D1, talkgroup 16006, also patched.
• Legacy Smartnet coverage of fire and EMS traffic continues for as long as the county keeps the bridges running.

Police talkgroups are encrypted and cannot be received by any consumer scanner or radio, regardless of price. That includes the new P25 police channels and any migration of remaining law enforcement traffic onto them.

Uncertainty note: the cutover dates come from forum screenshots and member posts, not from an official county announcement. The fire and EMS patches are temporary bridges, so the receivable half of Charles County will close on its own schedule, not the listener's.

The Pattern Behind Unannounced Cutovers

Charles County is not an outlier so much as an extreme case. Across 2026, agencies have steadily shortened the gap between decision and cutover, sometimes flipping channels with a single radio announcement. Listeners in Harford County, Maryland and other jurisdictions watched similar fast switches in recent months. The practical effect is that a scanner that receives everything today can be receiving much less next week, with no change on your end.

How to Stay Ready in a Patchwork State

The counties that stay audible in Maryland are still a majority, and fire and EMS remain open in most of them. The work for a listener is knowing which channels in your own county are still in the clear and checking that list periodically instead of assuming it is stable. A radio that covers both VHF and UHF, plus the analog channels still in use for fire and EMS, keeps the receivable part of the region in reach.

A pre-programmed Baofeng UV-5R Plus ships with your local frequencies already loaded and can be reprogrammed as your county changes systems, so a patch dropping does not leave you with a dead radio.

FAQ

Is Charles County police radio encrypted?

Yes. Police traffic moved to the county's new P25 system around October 6 and 7, 2026, and is fully encrypted. Consumer scanners cannot receive those talkgroups.

Can I still hear Charles County fire and EMS?

Yes, for now. Fire Dispatch (talkgroup 16042) and La Plata D1 (talkgroup 16006) are patched between the new P25 system and the county's legacy Smartnet system, so they remain audible on older scanners while those bridges stay up.

When did Charles County say it would encrypt?

The published expectation was an early-2027 cutover. The actual switch happened about a year early, announced over the radio rather than through a county press release.

Did Charles County give listeners any notice?

No. The change was announced on county Fire and EMS channels the same morning it took effect, and documented afterward by scanner listeners in the RadioReference Maryland forum.

Will the fire and EMS patch last?

Not indefinitely. The patches are a transition measure, and the county has not published a date for closing them. Treat the audible half of Charles County as temporary.

What happens to my scanner when a county goes encrypted?

Nothing breaks, but the encrypted police talkgroups go silent. Your radio still receives fire, EMS, and any neighboring county that is still in the clear, which is why reprogramming rather than replacing is usually the right move.

Bottom line: Charles County police went encrypted on P25 about a year early with no public notice, and only the fire and EMS patch keeps part of the county audible. Check which of your local channels are still in the clear, and reprogram instead of replacing when they are not. For the wider picture, see Police Scanner Encryption Explained: What You Can Still Hear in 2026.