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Baltimore County DPW

Refuse Systems, Granite, Maryland. NPDES permit MD0063924, in force until Sep 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (54 values), form Y yearly
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 5 reports late

Limits in force (72)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cquarterly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 15 mg/Lall year
pHminimum≥ 6.5 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendedquarterly average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Nitrogen, total [as N]quarterly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]quarterly totalreport only (lb/mo)all year
Nitrogen, total [as N]daily maximumreport only (lb/d)all year
Nitrogen, total [as N]annual maximumreport only (lb/yr)all year
Nitrogen, ammonia total [as N]quarterly average≤ 1.43 mg/LApr–Sep
Nitrogen, ammonia total [as N]quarterly average≤ 2.65 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 7.7 mg/LApr–Sep
Nitrogen, ammonia total [as N]daily maximum≤ 7.7 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Iron, total [as Fe]daily maximumreport only (mg/L)all year
Zinc, total [as Zn]quarterly average≤ .11 mg/Lall year
Zinc, total [as Zn]daily maximum≤ .12 mg/Lall year
Dichloromethanedaily maximum≤ 5 ug/Lall year
Carbon tetrachloridequarterly averagereport only (mg/L)all year
Carbon tetrachloridedaily maximumreport only (mg/L)all year
1,2-Dichloroethanedaily maximum≤ 5 ug/Lall year
Bromoformquarterly averagereport only (mg/L)all year
Bromoformdaily maximumreport only (mg/L)all year
Dibromochloromethanequarterly averagereport only (mg/L)all year
Dibromochloromethanedaily maximumreport only (mg/L)all year
Chloroformquarterly averagereport only (mg/L)all year
Chloroformdaily maximumreport only (mg/L)all year
Toluenequarterly averagereport only (mg/L)all year
Toluenedaily maximumreport only (mg/L)all year
Benzenequarterly averagereport only (mg/L)all year
Benzenedaily maximumreport only (mg/L)all year
Chlorobenzenequarterly averagereport only (mg/L)all year
Chlorobenzenedaily maximumreport only (mg/L)all year
Ethylbenzenequarterly averagereport only (mg/L)all year
Ethylbenzenedaily maximumreport only (mg/L)all year
1,2-Dichlorobenzenequarterly averagereport only (mg/L)all year
1,2-Dichlorobenzenedaily maximumreport only (mg/L)all year
1,2-Dichloropropanequarterly averagereport only (mg/L)all year
1,2-Dichloropropanedaily maximumreport only (mg/L)all year
1,4-Dichlorobenzenequarterly averagereport only (mg/L)all year
1,4-Dichlorobenzenedaily maximumreport only (mg/L)all year
Phenolquarterly average≤ .015 mg/Lall year
Phenolquarterly average≤ .015 mg/Lall year
Phenoldaily maximum≤ .026 mg/Lall year
Phenoldaily maximum≤ .026 mg/Lall year
Vinyl chloridequarterly averagereport only (mg/L)all year
Vinyl chloridedaily maximumreport only (mg/L)all 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
.alpha.-Terpineolquarterly average≤ .016 mg/Lall year
.alpha.-Terpineolquarterly average≤ .016 mg/Lall year
.alpha.-Terpineoldaily maximum≤ .033 mg/Lall year
.alpha.-Terpineoldaily maximum≤ .033 mg/Lall year
Volatile Organic Compound [VOC]quarterly averagereport only (mg/L)all year
Volatile Organic Compound [VOC]daily maximum≤ .1 mg/Lall year
1,1-Dichloroethenedaily maximum≤ 7 ug/Lall year
p-Cresolquarterly average≤ .014 mg/Lall year
p-Cresolquarterly average≤ .014 mg/Lall year
p-Cresoldaily maximum≤ .025 mg/Lall year
p-Cresoldaily maximum≤ .025 mg/Lall year
Benzoic acids, totalquarterly average≤ .071 mg/Lall year
Benzoic acids, totalquarterly average≤ .071 mg/Lall year
Benzoic acids, totaldaily maximum≤ .12 mg/Lall year
Benzoic acids, totaldaily maximum≤ .12 mg/Lall year
trans-1,2-Dichloroethenemaximum≤ 100 ug/Lall year
Tetrachloroethenedaily maximum≤ 5 ug/Lall year
Trichloroethenedaily maximum≤ 5 ug/Lall 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0063924 · MCP: https://passage-data.com/mcp