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Electric Services — NPDES discharge permits in New Hampshire

Of the 6 permits in EPA's SIC 4911 in NH, 2 went over a limit between 2025-10-01 and 2026-09-30 (LC50 Static 48Hr Acute Menidia: 1; pH: 1; Priority Pollutants: 1). 6 are past the expiry date EPA's file holds; 0 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
NEWINGTON POWER FACILITY
NH0023361 · major · Electric Services
Over a limit 3×: Priority Pollutants (2×), LC50 Static 48Hr Acute Menidia (1×)Permit past the expiry date EPA's file holds
NextEra Energy Seabrook LLc
NH0020338 · major · Electric Services
Over a limit 1×: pH (1×)Permit past the expiry date EPA's file holds
BRIDGEWATER POWER COMPANY
NH0022021 · major · Electric Services
No value over a limitPermit past the expiry date EPA's file holds
GRANITE SHORE POWER MERRIMACK LLC
NH0001465 · major · Electric Services
No value over a limitPermit past the expiry date EPA's file holds
GSP Schiller LLC
NH0001473 · major · Electric Services
No value over a limitPermit past the expiry date EPA's file holds
P S N H - NEWINGTON STATION
NH0001601 · major · Electric Services
No value over a limitPermit past the expiry date EPA's file holds

The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.

For programs and AI agents: this screen as JSON at /api/v1/permits?state=NH&sic=4911, narrowed with &over_limit=true, &parameter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states