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Harwood Landfill, Inc.

Refuse Systems, Harwood, Maryland. NPDES permit MD0066087, in force until Jul 31, 2030. Last 12 months: over a limit 8 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (25 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
16 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026Cadmium, total [as Cd], maximum monthly average.0005 mg/L≤ .00025 mg/L100%
February 2026Iron, total [as Fe], maximum monthly average2.06 mg/L≤ 2 mg/L3%
March 2026Cadmium, total [as Cd], maximum monthly average.0007 mg/L≤ .00025 mg/L180%
March 2026Iron, total [as Fe], maximum monthly average2.17 mg/L≤ 2 mg/L9%
April 2026Iron, total [as Fe], maximum monthly average2.35 mg/L≤ 2 mg/L18%
May 2026Iron, total [as Fe], maximum monthly average2.54 mg/L≤ 2 mg/L27%
June 2026Iron, total [as Fe], daily maximum7.65 mg/L≤ 3 mg/L155%
June 2026Iron, total [as Fe], maximum monthly average7.65 mg/L≤ 2 mg/L283%

Limits in force (25)

ParameterStatisticLimitMonths
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedannual maximum≤ 7 ton/yrall year
Solids, total suspendeddaily maximum≤ .04 ton/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly totalreport only (lb/mo)all year
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year
Nitrogen, organic total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Cadmium, total [as Cd]maximum monthly average≤ .00075 mg/Lall year
Cadmium, total [as Cd]daily maximum≤ .0018 mg/Lall year
Iron, total [as Fe]maximum monthly average≤ 2 mg/Lall year
Iron, total [as Fe]daily maximum≤ 3 mg/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
Perfluorooctanoic acid (PFOA)monthly averagereport only (mg/L)all year
Perfluorooctanoic acid (PFOA)daily maximumreport only (mg/L)all year
Perfluorooctanesulfonic acid (PFOS)monthly averagereport only (mg/L)all year
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (mg/L)all year

How strict are these limits?

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

Same industry: the 14 Refuse Systems permits in Maryland.

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/MD0066087 · MCP: https://passage-data.com/mcp