EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

HILMAR CHEESE CO

Quick Summary

  • Released 5,072 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
  • Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
  • Assessed $477,484 in total penalties since records began.
Address
9001 NORTH LANDER AVE
HILMAR, CA 95324
View on map ↗
County
MERCED County
Industry
Manufacturing
NAICS (North American Industry Classification)
311513
Inspections
7 · last Mar 18, 2026
Total Penalties
$477,484 · last Nov 13, 2024
Registry ID
110000495802

How This Compares

#168 of 996 TRI reporters in CA
#5,027 of 16,877 TRI reporters in Manufacturing

Ranked by most recent year's total TRI releases.

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

12
Air (CAA)
Qtrs Non-Compliant
0
Water (CWA)
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
Qtrs Non-Compliant

TRI Toxic Chemical Releases

Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.

Emissions Trend (2015–2024) +132% overall
Year Total Releases (lbs) vs Prior Year
2015 5,499
2016 5,162 -6%
2017 5,072 -2%
2018 3,736 -26%
2019 10 -100%
2020 6,506 +64960%
2021 16,398 +152%
2022 2,344 -86%
2023 19,479 +731%
2024 12,739 -35%

2024

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 540,045
Chlorine dioxide
Ammonia 9,621 9,621 5,225
Hydrogen sulfide 2,108 2,108
Nitric acid 1,000 1,000 263
Peracetic acid 10 10

2023

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 675,171
Chlorine dioxide
Hydrogen sulfide 14,932 14,932
Ammonia 3,537 3,537 4,328
Nitric acid 1,000 1,000 124
Peracetic acid 10 10

2022

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 731,161
Peracetic acid
Chlorine dioxide
Ammonia 1,344 1,344 5,744
Nitric acid 1,000 1,000 37

2021

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 721,225
Ammonia 15,378 15,378 54,216
Nitric acid 1,000 1,000 39
Chlorine dioxide 10 10
Peracetic acid 10 10

2020

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 493,684
Ammonia 5,486 5,486 58,541
Nitric acid 1,000 1,000 52
Chlorine dioxide 10 10
Peracetic acid 10 10

2019

Chemical Total (lbs) Air Water Land Off-Site
Peracetic acid 10 10

2018

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 523,695
Ammonia 2,916 2,916 7,875
Nitric acid 800 800 44
Chlorine dioxide 10 10
Peracetic acid 10 10

2017

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 699,805
Ammonia 4,252 4,252 9,032
Nitric acid 800 800 56
Peracetic acid 10 10
Chlorine dioxide 10 10

2016

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 636,800
Ammonia 4,342 4,342 9,354
Nitric acid 800 800 50
Chlorine dioxide 10 10
Peracetic acid 10 10

2015

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 631,086
Ammonia 4,679 4,679 10,351
Nitric acid 800 800 50
Peracetic acid 10 10
Chlorine dioxide 10 10

Waste Management & Recycling

How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.

Chemical Released Recycled Energy Recovery Treated
Peracetic acid 40,133
Hydrogen sulfide 3,148 43 5,169
Nitric acid 60,630 2,012,882
Ammonia 2,002 9,363
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 368,996 1,074,631

Off-Site Transfer Destinations

Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.

Destination Chemical Disposal Recycling Energy Rec. Treatment
US ECOLOGY
BEATTY, NV
Nitric acid 233
LIBERTY COMPOSTING INC
BAKERSFIELD, CA
Nitric acid 11
HILMAR CHEESE COMPANY
DALHART, TX
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 3
LIBERTY COMPOSTING INC
BAKERSFIELD, CA
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 58,337
LOCAL FARM IRRIGATION
HILMAR, CA
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 310,656
LOCAL FARM IRRIGATION
HILMAR, CA
Ammonia 1,928

Transfers to Publicly-Owned Treatment Works (POTWs)

Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.

Chemical Transferred (lbs) POTW
Nitric acid 19 EAST BAY MUD MAIN WWTP, OAKLAND
Ammonia 3,297 EAST BAY MUD MAIN WWTP, OAKLAND
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 171,049 EAST BAY MUD MAIN WWTP, OAKLAND

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program Type Violation Date Return to Compliance Status
caa HPV Feb 19, 2024 Sep 26, 2024 Resolved
caa HPV Jan 31, 2024 Dec 5, 2024 Resolved
caa HPV Sep 21, 2023 Dec 28, 2023 Resolved
caa HPV May 9, 2023 Mar 29, 2024 Resolved
caa HPV Nov 4, 2022 Aug 22, 2023 Resolved
caa HPV Oct 13, 2022 Aug 22, 2023 Resolved
caa HPV Sep 15, 2022 Aug 22, 2023 Resolved
caa HPV Sep 13, 2022 Aug 22, 2023 Resolved
caa HPV Sep 13, 2022 Aug 22, 2023 Resolved
caa HPV Sep 2, 2022 Aug 22, 2023 Resolved
caa HPV Aug 9, 2022 Aug 22, 2023 Resolved
caa HPV Jun 24, 2022 Aug 22, 2023 Resolved
caa HPV Apr 13, 2022 Aug 22, 2023 Resolved
caa HPV Apr 13, 2022 Aug 22, 2023 Resolved
caa HPV Apr 13, 2022 Aug 22, 2023 Resolved
caa HPV Jan 26, 2022 Dec 28, 2022 Resolved
caa HPV Oct 21, 2021 Mar 23, 2022 Resolved
caa HPV Sep 29, 2021 May 10, 2022 Resolved
caa HPV Aug 18, 2021 May 10, 2022 Resolved
caa HPV May 3, 2021 Feb 28, 2022 Resolved
caa HPV Jan 21, 2021 Jun 21, 2021 Resolved
caa HPV Sep 12, 2020 Apr 8, 2021 Resolved
caa HPV Jul 6, 2020 Aug 9, 2021 Resolved
caa HPV Jun 25, 2020 Jun 10, 2021 Resolved
caa HPV Jun 18, 2020 Dec 29, 2020 Resolved
caa HPV Jun 8, 2020 Nov 9, 2020 Resolved
caa HPV Jan 22, 2020 Jun 22, 2020 Resolved
caa HPV Jun 26, 2019 Feb 27, 2020 Resolved
caa HPV Feb 20, 2019 Dec 30, 2019 Resolved
caa HPV Sep 17, 2018 Jan 11, 2019 Resolved
caa HPV Mar 12, 2018 Oct 17, 2018 Resolved
caa HPV Feb 27, 2018 Oct 17, 2018 Resolved
caa HPV Feb 14, 2018 Oct 17, 2018 Resolved
caa HPV Dec 28, 2017 Oct 17, 2018 Resolved
caa HPV May 4, 2017 Dec 13, 2017 Resolved
caa HPV May 4, 2017 Dec 13, 2017 Resolved
caa HPV Apr 21, 2017 Oct 17, 2018 Resolved
caa HPV Dec 22, 2016 Sep 18, 2017 Resolved
caa HPV Jul 21, 2016 Oct 18, 2016 Resolved
caa HPV Jul 15, 2016 Oct 18, 2016 Resolved
caa HPV May 31, 2016 Aug 31, 2016 Resolved

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

Administrative - Formal
Clean Air Act · Case 3604200501 · Nov 13, 2024
$5,000
Administrative - Formal
Clean Air Act · Case 3604167606 · Nov 13, 2024
$5,000
Administrative - Formal
Clean Air Act · Case 3604127182 · Sep 9, 2024
$20,000
Administrative - Formal
Clean Air Act · Case 3604097212 · Sep 9, 2024
$20,000
Notice of Violation
Clean Air Act · Case 3604041068 · May 6, 2024
Notice of Violation
Clean Air Act · Case 3604160371 · Apr 16, 2024
Administrative - Formal
Clean Air Act · Case 3603908300 · Mar 12, 2024
$7,500
Administrative - Formal
Clean Air Act · Case 3603945293 · Mar 12, 2024
$7,500
Administrative - Formal
Clean Air Act · Case 3603810465 · Dec 13, 2023
$5,000
Administrative - Formal
Clean Air Act · Case 3603830345 · Dec 13, 2023
$5,000
Administrative - Formal
Clean Air Act · Case 3603814852 · Dec 13, 2023
$5,000
Notice of Violation
Clean Air Act · Case 3603792962 · Sep 26, 2023
Notice of Violation
Clean Air Act · Case 3603885326 · Sep 13, 2023
Administrative - Formal
Clean Air Act · Case 3603583859 · Apr 26, 2023
$30,321
Administrative - Formal
Clean Air Act · Case 3603697188 · Apr 26, 2023
$5,000
Administrative - Formal
Clean Air Act · Case 3603697185 · Apr 26, 2023
$30,321
Administrative - Formal
Clean Air Act · Case 3603590454 · Apr 26, 2023
$5,000
Administrative - Formal
Clean Air Act · Case 3603583852 · Apr 13, 2023
$5,000
Administrative - Formal
Clean Air Act · Case 3603697193 · Apr 13, 2023
$5,000
Administrative - Formal
Clean Air Act · Case 3603577010 · Apr 12, 2023
$10,000

Other facilities in MERCED County, CA

SAPUTO DAIRY FOODS USA LLC
GUSTINE, CA · Manufacturing
DIGNITY HEALTH GROUP MERCED A SERVICE OF DIGNITY HEALTH MED FOUND
MERCED, CA · Health Care and Social Assistance
GOLDEN VALLEY HEALTH CENTERS
LE GRAND, CA · Health Care and Social Assistance
FOSTER FARMS DELHI FEEDMILL
DELHI, CA · Manufacturing
All facilities in CA →