Environmental Protection Agency NSW
The NSW Environment Protection Authority (EPA) is a state agency that uses the NSW Public Safety Network (PSN) for operational and incident communications where wide‑area, coordinated radio communications are required. The PSN is the primary P25 trunked radio system used by NSW government agencies and emergency services for critical communications across the state.

| Talk Group ID | Description |
| 43001 | General Communications |
| 43002 | General Communications |
| 43003 | General Communications |
| 43004 | General Communications |
| 43005 | General Communications |
| 43006 | General Communications |
| 43007 | General Communications |
| 43008 | General Communications |
| 43009 | General Communications |
| 43010 | General Communications |
Source: Proscan/scanneraustralia.com.au/YouTube Channel
Typical uses on the PSN
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- Environmental incident response (hazardous spills, air/water pollution events) and coordination with emergency services.
- Liaison with Fire & Rescue, NSW Police, NSW Ambulance, Local Councils, and other agencies during multi‑agency incidents.
- Routine field operations, site assessments and deployment of EPA inspectors or response teams when rapid, state-wide communications are needed
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Talk Groups and identifiers
EPA talkgroups are listed among other government and specialist agency talkgroups on community‑compiled PSN databases and trunking guides. Specific TGIDs and Radio ID ranges for EPA units are documented by PSN scanner communities but can be quiet or event‑activated; they may not be active unless an incident or planned operation is underway,
Interoperability and coverage
The EPA relies on the PSN for state-wide coverage and may be patched into other agency talkgroups for large responses; the network’s trunked P25 architecture supports this kind of interoperability and state-wide paging/patching when required.
Monitoring tips for scanners
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- Program regional control channels and site allocations for the areas where EPA work is likely (industrial precincts, major waterways, ports, and urban centres). The PSN operates across multiple RFSS sites and control channels—ensure your database matches current site lists for reliable monitoring.
- Expect activity to be event‑driven (spills, incidents, planned burns, major events) and more frequent during business hours.
- Use updated community TGID/RID lists (e.g., NSWPSN and PSN community databases) to keep talkgroup IDs current because community repositories are the primary public sources for non‑official channel lists.
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Practical notes and cautions
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- Some government talkgroups may be encrypted or restricted; not all EPA communications will be decodable by public scanners. Talk Group IDs and Descriptions of those talk groups are unverified as they have been approximated since these groups have not been published and many are encrypted by the PSN.
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