ICIS-AIR NH0000003301300063

HHP INC., Henniker, NH: Clean Air Act compliance record, inspections, violations, penalties

OperatingOperating status
Synthetic minor sourceEmissions classification
No Violation IdentifiedCurrent violation status, as filed
4Compliance evaluations since January 1, 2017
0High-priority violations since January 1, 2017
1Formal enforcement actions since January 1, 2017

HHP INC. is on EPA’s ICIS-AIR register at 14 BUXTON INDUSTRIAL DR, Henniker in Merrimack County, New Hampshire: operating status operating, emissions classification synthetic minor source, current violation status “No Violation Identified”. Merrimack County is on EPA’s Green Book list of areas that do not meet a national air quality standard.

What stands out

The newest of the 12 events on file is a violation dated April 28, 2025.
Its events on file run from November 16, 2017 through April 28, 2025.
Of the 1 formal enforcement action on file, 1 carries a filed penalty above zero. The largest on file is $4,500, filed April 28, 2025.
Of its 4 compliance evaluations on file, 2 are a full compliance evaluation.
1 of the 4 stack tests on file is recorded as failed.
The register holds 189 air-emissions sources in Merrimack County, New Hampshire.

Every line is computed by formula from the record’s stored figures; nothing is estimated.

Identity

Facility as filed	HHP INC.
ICIS-AIR ID	NH0000003301300063
EPA facility registry ID	110044774973
Operating status	Operating
Emissions classification	Synthetic minor source
Current violation status (HPV field)	No Violation Identified
Address	14 BUXTON INDUSTRIAL DR, Henniker, NH 03242
County	Merrimack County
In a nonattainment county	Yes (EPA Green Book)
Industry (NAICS)	Wood product manufacturing (NAICS 3219)
EPA region	01

Programs and pollutants

The program, pollutant and Title V files are not loaded: what this page covers.

Compliance evaluations

4Evaluations since January 1, 2017
2Full compliance evaluations

Date	What EPA recorded	Agency	Programs
October 28, 2024	FCE On-Site	State	40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 26, 2020	PCE Off-Site	U.S. EPA	MACT Standards (40 CFR Part 63)
March 26, 2020	PCE Off-Site	U.S. EPA	MACT Standards (40 CFR Part 63)
March 12, 2020	FCE On-Site	State	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

2Violation determinations since January 1, 2017
0Of them high-priority

What high-priority and federally reportable violations mean.

Date	What EPA recorded	Agency	Programs
April 28, 2025	Earliest FRV determination	State	40 CFR Part 63 Area Sources
January 30, 2025	Earliest FRV determination	State	MACT Standards (40 CFR Part 63)

Enforcement and penalties

1 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.

Date	What EPA recorded	Agency	Penalty, as filed
April 28, 2025	Administrative Order	State	$4,500

Informal enforcement

Date	What EPA recorded	Agency
January 30, 2025	Notice of Violation	State

Stack tests

4Stack tests since January 1, 2017
1Recorded as failed

Date	What EPA recorded	Agency
June 13, 2024	Pass	State
March 19, 2024	Fail	State
December 10, 2020	Pass	State
November 16, 2017	Pass	State

Watch HHP INC.

Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110044774973).

Other air sources in New Hampshire beside HHP INC.

EPA ICIS-AIR download, loaded September 14, 2026.