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Zion Landfill

Refuse Systems, Zion, Illinois. NPDES permit IL0067725 expired Sep 30, 2025; its limits still apply. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (2 values), outfall 001 form Q quarterly (34 values), outfall 002 form 0 monthly (5 values), outfall 002 form Q quarterly (34 values), outfall 003 form 0 monthly (2 values), outfall 003 form Q quarterly (34 values), and 6 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 3 required values missing, 0 of 96 reports late

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

Period endingParameterReportedLimitOver by
March 2026Sulfate [as S], daily maximum608 mg/L≤ 500 mg/L22%

Limits in force (225)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitquarterly maximumreport only (deg F)all year001
BOD, 5-day, 20 deg. Cquarterly maximumreport only (mg/L)all year001
pHquarterly minimumreport only (SU)all year001
pHquarterly maximumreport only (SU)all year001
Solids, total suspendedquarterly maximumreport only (mg/L)all year001
Oil & Greasequarterly maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]quarterly maximumreport only (mg/L)all year001
Carbon, tot organic [TOC]quarterly maximumreport only (mg/L)all year001
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year001
Chloride [as Cl]quarterly maximumreport only (mg/L)all year001
Sulfate, total [as SO4]quarterly maximumreport only (mg/L)all year001
Fluoride, total [as F]quarterly maximumreport only (mg/L)all year001
Arsenic, total [as As]quarterly maximumreport only (mg/L)all year001
Barium, total [as Ba]quarterly maximumreport only (mg/L)all year001
Boron, total [as B]quarterly maximumreport only (mg/L)all year001
Cadmium, total [as Cd]quarterly maximumreport only (mg/L)all year001
Chromium, hexavalent [as Cr]quarterly maximumreport only (ug/L)all year001
Chromium, trivalent [as Cr]quarterly maximumreport only (ug/L)all year001
Copper, total [as Cu]quarterly maximumreport only (mg/L)all year001
Iron, total [as Fe]quarterly maximumreport only (mg/L)all year001
Iron, dissolved [as Fe]quarterly maximumreport only (mg/L)all year001
Lead, total [as Pb]quarterly maximumreport only (mg/L)all year001
Manganese, total [as Mn]quarterly maximumreport only (mg/L)all year001
Nickel, total [as Ni]quarterly maximumreport only (mg/L)all year001
Zinc, total [as Zn]quarterly maximumreport only (mg/L)all year001
Selenium, total [as Se]quarterly maximumreport only (mg/L)all year001
Phenolics, total recoverablequarterly maximumreport only (mg/L)all year001
Toluenequarterly maximumreport only (mg/L)all year001
Benzenequarterly maximumreport only (mg/L)all year001
Ethylbenzenequarterly maximumreport only (mg/L)all year001
Naphthalenequarterly maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Solids, total dissolvedquarterly maximumreport only (mg/L)all year001
Mercury, total [as Hg]quarterly maximumreport only (ng/L)all year001
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year001
Temperature, water deg. fahrenheitquarterly maximumreport only (deg F)all year002
BOD, 5-day, 20 deg. Cquarterly maximumreport only (mg/L)all year002
pHquarterly minimumreport only (SU)all year002
pHquarterly maximumreport only (SU)all year002
Solids, total suspendedquarterly maximumreport only (mg/L)all year002
Oil & Greasequarterly maximumreport only (mg/L)all year002
Nitrogen, ammonia total [as N]quarterly maximumreport only (mg/L)all year002
Carbon, tot organic [TOC]quarterly maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year002
Chloride [as Cl]quarterly maximumreport only (mg/L)all year002
Sulfate, total [as SO4]quarterly maximumreport only (mg/L)all year002
Sulfate, total [as SO4]daily maximum≤ 1729 mg/Lall year002
Fluoride, total [as F]quarterly maximumreport only (mg/L)all year002
Arsenic, total [as As]quarterly maximumreport only (mg/L)all year002
Barium, total [as Ba]quarterly maximumreport only (mg/L)all year002
Boron, total [as B]quarterly maximumreport only (mg/L)all year002
Cadmium, total [as Cd]quarterly maximumreport only (mg/L)all year002
Chromium, hexavalent [as Cr]quarterly maximumreport only (ug/L)all year002
Chromium, trivalent [as Cr]quarterly maximumreport only (ug/L)all year002
Copper, total [as Cu]quarterly maximumreport only (mg/L)all year002
Iron, total [as Fe]quarterly maximumreport only (mg/L)all year002
Iron, dissolved [as Fe]quarterly maximumreport only (mg/L)all year002
Lead, total [as Pb]quarterly maximumreport only (mg/L)all year002
Manganese, total [as Mn]quarterly maximumreport only (mg/L)all year002
Nickel, total [as Ni]quarterly maximumreport only (mg/L)all year002
Zinc, total [as Zn]daily maximum≤ .2967 mg/Lall year002
Zinc, total [as Zn]quarterly maximumreport only (mg/L)all year002
Selenium, total [as Se]quarterly maximumreport only (mg/L)all year002
Phenolics, total recoverablequarterly maximumreport only (mg/L)all year002
Toluenequarterly maximumreport only (mg/L)all year002
Benzenequarterly maximumreport only (mg/L)all year002
Ethylbenzenequarterly maximumreport only (mg/L)all year002
Naphthalenequarterly maximumreport only (mg/L)all year002
Phenolsdaily maximum≤ .1 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Solids, total dissolvedquarterly maximumreport only (mg/L)all year002
Mercury, total [as Hg]quarterly maximumreport only (ng/L)all year002
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year002
Temperature, water deg. fahrenheitquarterly maximumreport only (deg F)all year003
BOD, 5-day, 20 deg. Cquarterly maximumreport only (mg/L)all year003
pHquarterly minimumreport only (SU)all year003
pHquarterly maximumreport only (SU)all year003
Solids, total suspendedquarterly maximumreport only (mg/L)all year003
Oil & Greasequarterly maximumreport only (mg/L)all year003
Nitrogen, ammonia total [as N]quarterly maximumreport only (mg/L)all year003
Carbon, tot organic [TOC]quarterly maximumreport only (mg/L)all year003
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year003
Chloride [as Cl]quarterly maximumreport only (mg/L)all year003
Sulfate, total [as SO4]quarterly maximumreport only (mg/L)all year003
Fluoride, total [as F]quarterly maximumreport only (mg/L)all year003
Arsenic, total [as As]quarterly maximumreport only (mg/L)all year003
Barium, total [as Ba]quarterly maximumreport only (mg/L)all year003
Boron, total [as B]quarterly maximumreport only (mg/L)all year003
Cadmium, total [as Cd]quarterly maximumreport only (mg/L)all year003
Chromium, hexavalent [as Cr]quarterly maximumreport only (ug/L)all year003
Chromium, trivalent [as Cr]quarterly maximumreport only (ug/L)all year003
Copper, total [as Cu]quarterly maximumreport only (mg/L)all year003
Iron, total [as Fe]quarterly maximumreport only (mg/L)all year003
Iron, dissolved [as Fe]quarterly maximumreport only (mg/L)all year003
Lead, total [as Pb]quarterly maximumreport only (mg/L)all year003
Manganese, total [as Mn]quarterly maximumreport only (mg/L)all year003
Nickel, total [as Ni]quarterly maximumreport only (mg/L)all year003
Zinc, total [as Zn]quarterly maximumreport only (mg/L)all year003
Selenium, total [as Se]quarterly maximumreport only (mg/L)all year003
Phenolics, total recoverablequarterly maximumreport only (mg/L)all year003
Toluenequarterly maximumreport only (mg/L)all year003
Benzenequarterly maximumreport only (mg/L)all year003
Ethylbenzenequarterly maximumreport only (mg/L)all year003
Naphthalenequarterly maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Solids, total dissolvedquarterly maximumreport only (mg/L)all year003
Mercury, total [as Hg]quarterly maximumreport only (ng/L)all year003
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year003
Temperature, water deg. fahrenheitquarterly maximumreport only (deg F)all year005
Sulfate [as S]daily maximum≤ 500 mg/Lall year005
BOD, 5-day, 20 deg. Cquarterly maximumreport only (mg/L)all year005
pHquarterly minimumreport only (SU)all year005
pHquarterly maximumreport only (SU)all year005
Solids, total suspendedquarterly maximumreport only (mg/L)all year005
Oil & Greasequarterly maximumreport only (mg/L)all year005
Nitrogen, ammonia total [as N]quarterly maximumreport only (mg/L)all year005
Carbon, tot organic [TOC]quarterly maximumreport only (mg/L)all year005
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year005
Chloride [as Cl]quarterly maximumreport only (mg/L)all year005
Sulfate, total [as SO4]quarterly maximumreport only (mg/L)all year005
Fluoride, total [as F]quarterly maximumreport only (mg/L)all year005
Arsenic, total [as As]quarterly maximumreport only (mg/L)all year005
Barium, total [as Ba]quarterly maximumreport only (mg/L)all year005
Boron, total [as B]quarterly maximumreport only (mg/L)all year005
Cadmium, total [as Cd]quarterly maximumreport only (mg/L)all year005
Chromium, hexavalent [as Cr]quarterly maximumreport only (ug/L)all year005
Chromium, trivalent [as Cr]quarterly maximumreport only (ug/L)all year005
Copper, total [as Cu]quarterly maximumreport only (mg/L)all year005
Iron, total [as Fe]quarterly maximumreport only (mg/L)all year005
Iron, dissolved [as Fe]quarterly maximumreport only (mg/L)all year005
Lead, total [as Pb]quarterly maximumreport only (mg/L)all year005
Manganese, total [as Mn]quarterly maximumreport only (mg/L)all year005
Nickel, total [as Ni]quarterly maximumreport only (mg/L)all year005
Zinc, total [as Zn]daily maximum≤ .159 mg/Lall year005
Zinc, total [as Zn]quarterly maximumreport only (mg/L)all year005
Selenium, total [as Se]quarterly maximumreport only (mg/L)all year005
Phenolics, total recoverablequarterly maximumreport only (mg/L)all year005
Toluenequarterly maximumreport only (mg/L)all year005
Benzenequarterly maximumreport only (mg/L)all year005
Ethylbenzenequarterly maximumreport only (mg/L)all year005
Naphthalenequarterly maximumreport only (mg/L)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Solids, total dissolvedquarterly maximumreport only (mg/L)all year005
Mercury, total [as Hg]quarterly maximumreport only (ng/L)all year005
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year005
Temperature, water deg. fahrenheitquarterly maximumreport only (deg F)all year006
Sulfate [as S]daily maximum≤ 500 mg/Lall year006
BOD, 5-day, 20 deg. Cquarterly maximumreport only (mg/L)all year006
pHquarterly minimumreport only (SU)all year006
pHquarterly maximumreport only (SU)all year006
Solids, total suspendedquarterly maximumreport only (mg/L)all year006
Oil & Greasequarterly maximumreport only (mg/L)all year006
Nitrogen, ammonia total [as N]quarterly maximumreport only (mg/L)all year006
Carbon, tot organic [TOC]quarterly maximumreport only (mg/L)all year006
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year006
Chloride [as Cl]daily maximum≤ 500 mg/Lall year006
Chloride [as Cl]quarterly maximumreport only (mg/L)all year006
Sulfate, total [as SO4]quarterly maximumreport only (mg/L)all year006
Fluoride, total [as F]quarterly maximumreport only (mg/L)all year006
Arsenic, total [as As]quarterly maximumreport only (mg/L)all year006
Barium, total [as Ba]quarterly maximumreport only (mg/L)all year006
Boron, total [as B]quarterly maximumreport only (mg/L)all year006
Cadmium, total [as Cd]quarterly maximumreport only (mg/L)all year006
Chromium, hexavalent [as Cr]quarterly maximumreport only (ug/L)all year006
Chromium, trivalent [as Cr]quarterly maximumreport only (ug/L)all year006
Copper, total [as Cu]quarterly maximumreport only (mg/L)all year006
Iron, total [as Fe]quarterly maximumreport only (mg/L)all year006
Iron, dissolved [as Fe]quarterly maximumreport only (mg/L)all year006
Lead, total [as Pb]quarterly maximumreport only (mg/L)all year006
Manganese, total [as Mn]quarterly maximumreport only (mg/L)all year006
Nickel, total [as Ni]quarterly maximumreport only (mg/L)all year006
Zinc, total [as Zn]quarterly maximumreport only (mg/L)all year006
Selenium, total [as Se]quarterly maximumreport only (mg/L)all year006
Phenolics, total recoverablequarterly maximumreport only (mg/L)all year006
Toluenequarterly maximumreport only (mg/L)all year006
Benzenequarterly maximumreport only (mg/L)all year006
Ethylbenzenequarterly maximumreport only (mg/L)all year006
Naphthalenequarterly maximumreport only (mg/L)all year006
Phenolsdaily maximum≤ .1 mg/Lall year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Solids, total dissolvedquarterly maximumreport only (mg/L)all year006
Mercury, total [as Hg]quarterly maximumreport only (ng/L)all year006
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year006
Temperature, water deg. fahrenheitquarterly maximumreport only (deg F)all year007
BOD, 5-day, 20 deg. Cquarterly maximumreport only (mg/L)all year007
pHquarterly minimumreport only (SU)all year007
pHquarterly maximumreport only (SU)all year007
Solids, total suspendedquarterly maximumreport only (mg/L)all year007
Oil & Greasequarterly maximumreport only (mg/L)all year007
Nitrogen, ammonia total [as N]quarterly maximumreport only (mg/L)all year007
Carbon, tot organic [TOC]quarterly maximumreport only (mg/L)all year007
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year007
Chloride [as Cl]quarterly maximumreport only (mg/L)all year007
Sulfate, total [as SO4]quarterly maximumreport only (mg/L)all year007
Fluoride, total [as F]quarterly maximumreport only (mg/L)all year007
Arsenic, total [as As]quarterly maximumreport only (mg/L)all year007
Barium, total [as Ba]quarterly maximumreport only (mg/L)all year007
Boron, total [as B]quarterly maximumreport only (mg/L)all year007
Cadmium, total [as Cd]quarterly maximumreport only (mg/L)all year007
Chromium, hexavalent [as Cr]quarterly maximumreport only (ug/L)all year007
Chromium, trivalent [as Cr]quarterly maximumreport only (ug/L)all year007
Copper, total [as Cu]quarterly maximumreport only (mg/L)all year007
Iron, total [as Fe]quarterly maximumreport only (mg/L)all year007
Iron, dissolved [as Fe]quarterly maximumreport only (mg/L)all year007
Lead, total [as Pb]quarterly maximumreport only (mg/L)all year007
Manganese, total [as Mn]quarterly maximumreport only (mg/L)all year007
Nickel, total [as Ni]quarterly maximumreport only (mg/L)all year007
Zinc, total [as Zn]daily maximum≤ .2967 mg/Lall year007
Zinc, total [as Zn]quarterly maximumreport only (mg/L)all year007
Selenium, total [as Se]quarterly maximumreport only (mg/L)all year007
Phenolics, total recoverablequarterly maximumreport only (mg/L)all year007
Toluenequarterly maximumreport only (mg/L)all year007
Benzenequarterly maximumreport only (mg/L)all year007
Ethylbenzenequarterly maximumreport only (mg/L)all year007
Naphthalenequarterly maximumreport only (mg/L)all year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Solids, total dissolvedquarterly maximumreport only (mg/L)all year007
Mercury, total [as Hg]quarterly maximumreport only (ng/L)all year007
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year007

How strict are these limits?

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

Same industry: the 54 Refuse Systems permits in Illinois.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0067725 · MCP: https://passage-data.com/mcp