AFOs, CAFOs and MAFOs Presented by Gary F. Kelman, Chief Animal - - PowerPoint PPT Presentation
AFOs, CAFOs and MAFOs Presented by Gary F. Kelman, Chief Animal Feeding Operation Division Maryland Department of the Environment March 9, 2017 Topics 1. Watersheds 5. How to Apply for the Permit 2. Definitions 6. Technical Aspects 3.
Presented by Gary F. Kelman, Chief Animal Feeding Operation Division Maryland Department of the Environment March 9, 2017
Animal Type Number of Animals or House Capacity (ft2)
Large Medium Small Cattle Includes heifers) ≥ 1000 animals 300 – 999 animals < 300 animals Dairy Cattle ≥ 700 animals 200 – 699 animals < 200 animals Chickens (other than laying hens) with dry manure handling ≥ 125,000 animals or ≥ 100,000 ft2 37,500 – 124,999 animals and < 100,000 ft2 <37,500 animals Laying hens with dry manure handling ≥ 82,000 animals 25,000 – 81,999 animals < 25,000 animals Chickens with liquid manure handling ≥ 30,000 animals 9,000 – 29,999 animals < 9,000 animals Swine ≥ 55 pounds ≥ 2500 animals 750 – 2499 animals < 750 animals Swine < 55 pounds ≥ 10,000 animals 3,000 – 9,999 animals < 3,000 animals
wastewater to a surface stream.
animals for a large.
man-made conveyance to be a CAFO.
litter, or process wastewater to surface waters of the State. For chickens that means at least 125,000 animals.
constructed, operated and maintained to not discharge manure. litter, or process wastewater to surface waters of the State.
the surface waters of the State, it can be designated a CAFO.
control and do not receive manure from a farm they control.
re-confirmed each year in the Annual Implementation Report (AIR).
litter/manure originates from their operation or another
their control.
boundaries of this State subject to its jurisdiction, including that part of the Atlantic Ocean within the boundaries of this State, the Chesapeake Bay and its tributaries, and all ponds, lake, rivers, streams, tidal and nontidal wetlands, public ditches, tax ditches, and public drainage systems within this State, other those designed and used to collect, convey, or dispose of sanitary sewage.
Department of Natural Resources on the basis of the 100- year flood frequency.”
Non-Tidal Wetland
Tidal Wetland
100-YearTidal Floodplain 500-Year Tidal Floodplain
– A totally new facility; or – An addition to an existing facility if it is “substantially independent” of the existing facility. Most expansions are built with their own stormwater structures and are therefore not connected to the existing facility, so are substantially independent.
under the General Permit BEFORE they receive animals and start operations. The facility can be constructed,
RECEIVING BIRDS.
discharging any stormwater contaminated with manure, litter, or process wastewater from their production areas via a man-made conveyance (medium) or via overland flow or man-made conveyance (large) to surface waters
approved Erosion and Sediment Control Plan; and
Plan.
313 (Waste Storage Facility);
manure using approved methods in NRCS Practice Standard 313;
capacity, an alternative use facility, or to a receiving farm compliant with its Nutrient Management Plan (in accordance with NRCS Practice Standard 633 if receiving farm is manure producer); or
as windrowing between flocks.
Standard 313 (Waste Storage Facility);
approved methods in NRCS Practice Standard 313;
the manure using approved methods in NRCS Practice Standard 313;
alternative use facility, or to a receiving farm compliant with its Nutrient Management Plan (in accordance with NRCS Practice Standard 633 if receiving farm is manure producer); or
windrowing between flocks.
Standard 316 (Animal Mortality Facility);
compost mortalities using approved methods in NRCS Practice Standard 316;
recommended by the University of Maryland on the pad where the manure storage structure will be built. Windrow containment will be achieved utilizing wall barriers and tarp coverage whenever rain is expected or occurring; or
316.
permit.
allowed without a permit.
permit:
– If there is an upset in your system or you are performing maintenance, discharges of pollutants are temporarily allowed if you notify MDE that the upset occurred or you are performing maintenance. – Discharges from areas in-between the houses and shed are allowed in accordance with permit conditions.
– MDE performs technical review including a site visit – NOI and required plans are placed on the AFO web page for public notification for 30 calendar days, the first 20 days
– IF no comments, CAFO/MAFO is registered and permit coverage starts – Entire process may take up to 160 days, usually much less, once the permit writer starts the review
contaminated with manure, litter, or process wastewater from their production areas to surface waters of the State during a precipitation event under the 25 year, 24 hour storm (about 6 inches in 24 hours on the Eastern Shore, about 5.4 inches in 24 hours on the Western Shore);
with manure, litter, or process wastewater regardless of storm size;
discharge during an upset or during maintenance.
accordance with permit);
including composting in chicken houses and manure sheds;
swept properly;
but for equipment storage;
ditches allowing pollutants to collect that can be washed into waters of the State;
conditions/requirements in the general AFO permit;
commitments in the CNMP.
schedule items;
permitted operation.
1800 Washing 1800 Washington
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