Code of Maine Rules › 10 - DEPARTMENT OF HEALTH AND HUMAN SERVICES › 144 - DEPARTMENT OF HEALTH AND HUMAN SERVICES - GENERAL › Chapter 241 - SUBSURFACE WASTEWATER DISPOSAL RULE › Section 144-241-11 - MISCELLANEOUS SYSTEMS

Current through 2024-29, July 17, 2024
A.
ENGINEERED
				DISPOSAL SYSTEMS
Scope: This Section governs the design and installation of
				  engineered systems with design flows of 2,000 gpd or more or disposing of
				  wastewater with a combined BOD5 and total suspended solids concentration
				  greater than 1,400 mg/l (see Table 5B).
1. Responsibilities
a. General: The size and/or complexity of
				engineered systems require that analysis, design construction, operation, and
				maintenance be undertaken at a level that is higher than the minimum
				requirements for small residential systems.
b. Owner/operator: The owner/operator shall
				accurately describe the intended uses (present and future) for the system and
				designate to the Department a Maine professional engineer to serve as design
				engineer. The owner shall operate the system within the design parameters,
				except as provided for in Section
				10(A)(3), following
				the designer's recommendations for inspection and maintenance, as well as any
				State or local regulations.
c.
				Design engineer: The design engineer is responsible for defining the needs of
				the client, investigating the site, designing the system, overseeing
				construction, and recommending operation and maintenance practices at an
				appropriate level of professional practice. In order to ensure proper
				functioning of the engineered systems under expected conditions, the design
				engineer must consider relevant factors, including, but not by way of
				limitation, peak effluent levels, minimum recharge, deep frost and power
				failure. The design engineer is responsible for completing the HHE-220 to
				document and define the system design prior to construction, as well as the
				report results of a site investigation. The design engineer must then send the
				completed HHE-220 to the Department.
d. Department of Health and Human Services:
				Upon receipt of the HHE-220 by the design engineer, the Department will conduct
				a desk review of the proposal, check for completeness of submittal (all
				necessary documents and signatures), review the reasonableness of data and
				assumptions, spot-check calculations, check for compliance with minimum
				requirements of this rule and this Section, and give permission to the local
				government to issue the necessary permits. The Department is not responsible
				for the accuracy of the field data, assumptions or conclusions of the designer,
				the suitability of the design, or its performance. The Department of
				Environmental Protection (DEP) may provide assistance to the Department in
				evaluating environmental impacts of these systems. DEP may submit comments to
				the Department for consideration, prior to final decision.
e. Local government: The local government,
				operating through the LPI(s), may issue the necessary permit(s) after it has
				received permission from the Department to do so and when it is satisfied that
				the pre-construction conditions shown on the design are representative of the
				actual conditions. The local official may inspect the site in a timely manner,
				in order to be able to state with reasonable assurance that the system was
				installed as described in the approved plans.