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Engineering & Planning
Engineering, Planning & Design Review
As development occurs where public water and sewer are planned, developers must submit numerous documents for approval by many County agencies. DUSWM routinely provides reviews to the
Community Development Division
on all types of plans submitted, where County public water and sewer are affected (not municipalities). For example, DUSWM provides technical reviews on rezoning cases, Phase II PUD plans, preliminary (Phase III) plans, site plans, sketch plans, board of appeals cases, determinations of adequacy for the County's
Adequate Public Facilities Ordinance (APFO)
, amendments to the Water and Sewer Plan, to name a few.
These technical reviews require a detailed understanding the water and sewer infrastructure components and the interdependency of the demands made by the developments, which ultimately impact the County's ability to consistently deliver adequate water and sewer services. In DUSWM's case, the Planning and Design Review section must review for compliance with the APFO for water and sewer.
For water systems, staff must determine if there are adequate source facilities, storage tanks, pumping stations and sufficient capacity to provide maximum daily demand and meet peak hourly demands during fire flows; the distribution system must be capable of providing minimum required residual pressure to the development.
For sewerage systems, staff must determine if adequate capacity exists in the infrastructure (treatment plants, pumping stations, interceptors and collector sewers) to accommodate ultimate peak flows.
4520 Metropolitan Court
Frederick, MD 21704
Ph: (301) 600-2956
Fax: (301) 600-2349
TDD: (301) 600-1672
7:30 am – 4:30 pm, Monday – Friday
8:00 am – 4:00 pm, Monday – Friday
Otherwise, by appointment only.
A water or wastewater system is considered adequate if remaining capacity exists after an accounting considers all existing connections, future connections from buildings under construction, recorded lots for which allocations have been made, or other legal commitments. Additionally, an accounting of reserved capacities pertaining to state and/or local laws and certain legal commitments by the Board of County Commissioners (public works agreements, multi-year tap agreements, etc.), must be carefully tracked to avoid over-allocating the infrastructure. In certain instances where a water or sewer project is scheduled in the first two (2) years of the CIP, developments may pass APFO testing criteria. Typically, these APFO reviews occur with the submission of a Phase II PUD, Preliminary, or Site plans.
Once planning concerns are addressed, the detailed design for a site is submitted for review and approval. These plans are often referred to as Improvement Plans. DUSWM is a key approval agency, when public water and sewer are present (not municipalities). DUSWM's Planning and Design Review section review improvement plans and coordinates the requirements described in our
Design Guidelines for Water and Sewer Facilities
General Conditions and Standard Specifications for Water Mains
Sanitary Sewers and Related Structures (Standard Specifications)
Standard Details for Water Mains, Sanitary Sewers and Related Structures (Standard Details)
, and the
Water and Sewer Rules and Regulations
. Along with other important legal documents, i.e., easements, public works agreements, construction contract, etc., the approved improvement plans become an important instrument to effect proper construction of water and sewer infrastructure.
Easements and real property
All public water and sewer infrastructure entails DUSWM review and approval of legal documents that provide perpetual ownership (or property rights) for its infrastructure, either required by the developer or via a CIP project. Because the legal documents are recorded among the Land Records of Frederick County, careful coordination and review is required between many County agencies, most importantly the Office of the County Attorney. DUSWM's Planning and Design Review section typically must coordinate the improvement plan design with the easement/real property submissions and final plats of subdivision. (Sample easement documents and instructions can be found under the "Reference Documents" link above left.)
Water and Sewer Service Inquires
The public oftentimes has questions about the location and planning of the water and sewer infrastructure. Property owners, real estate agents, developers, assessors, attorneys, engineers, surveyors, to name a few, have a wide range of questions that pertain to public water and sewer service. Generally, DUSWM's Planning and Design Review section provides service inquiry letters for properties planned (or served) by public water and sewer. In order to provide this letter, the following information is necessary:
Property owner's name and mailing address;
Premise or property address, tax map and parcel number, or tax identification number (Contact the Department of Assessments and Taxation);
Real estate agent's (buyer or seller) name, mailing address and telephone number;
Requestor's name, mailing address and telephone number;
Specific water and sewer questions or information desired about the property.
DUWSM does not address questions regarding storm water management, storm drains, ditches or other "water" like uses. These questions should be directed to the Community Development Division or appropriate municipal / state agencies. Please note: Municipal water and sewer requests should be made to the respective jurisdiction.
**PLEASE NOTE: The
Standard Details for Water Mains, Sanitary Sewers and Related Structures
have been updated and were adopted by the Board of County Commissioners effective January 24, 2013. The previous version of the Standard Details is now obsolete.
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12 East Church Street
Frederick, MD 21701