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Clean Harbors Lone Mountain

Refuse Systems, Waynoka, Oklahoma. NPDES permit OK0044423, in force until Oct 31, 2029. Last 12 months: over a limit 2 times (last August 2026), 8 required values missing, 5 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (10 values), form Q quarterly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 16 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
May 2026pH, minimum6.4 SU≥ 6.5 SU—
August 2026Oil and grease, hexane extr method, daily maximum29.7 mg/L≤ 15 mg/L98%

Limits in force (35)

ParameterStatisticLimitMonths
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Oil and grease, hexane extr methoddaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 4.9 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year
Arsenic, total [as As]monthly average≤ 540 ug/Lall year
Arsenic, total [as As]daily maximum≤ 1100 ug/Lall year
Chromium, total [as Cr]monthly average≤ 460 ug/Lall year
Chromium, total [as Cr]daily maximum≤ 1100 ug/Lall year
Zinc, total [as Zn]monthly average≤ 296 ug/Lall year
Zinc, total [as Zn]daily maximum≤ 535 ug/Lall year
Selenium, total [as Se]monthly averagereport only (ug/L)all year
Selenium, total [as Se]daily maximumreport only (ug/L)all year
Phenolmonthly average≤ 29 ug/Lall year
Phenoldaily maximum≤ 48 ug/Lall year
Naphthalenemonthly average≤ 22 ug/Lall year
Naphthalenedaily maximum≤ 59 ug/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Terpineolmonthly average≤ 19 ug/Lall year
Terpineoldaily maximum≤ 42 ug/Lall year
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year
Pyridinemonthly average≤ 25 ug/Lall year
Pyridinedaily maximum≤ 72 ug/Lall year
Anilinemonthly average≤ 15 ug/Lall year
Anilinedaily maximum≤ 24 ug/Lall year
p-Cresolmonthly average≤ 15 ug/Lall year
p-Cresoldaily maximum≤ 24 ug/Lall year
Benzoic acids, totalmonthly average≤ 73 ug/Lall year
Benzoic acids, totaldaily maximum≤ 119 ug/Lall year

How strict are these limits?

Cited limits by parameter: Oklahoma's rules and the federal ones.

Same industry: the 3 Refuse Systems permits in Oklahoma.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OK0044423 · MCP: https://passage-data.com/mcp