Subtitle 04 REGULATION OF WATER SUPPLY, SEWAGE DISPOSAL, SOLID WASTE, AND RECYCLABLE MATERIALS › Chapter 01 Quality of Drinking Water in Maryland

.03 Requirements for a Variance, Granting a Variance, and Public Hearings. A. The Approving Authority may grant to a supplier of water a variance or variances from certain requirements of this chapter. The requirements for obtaining variances are as follows: (1) The Approving Aut…

.03-1 Variances and Exemptions for Synthetic Organic Chemicals. A. In addition to the procedures prescribed in Regulations .03 and .04 of this chapter, variances and exemptions from the maximum contaminant levels for synthetic organic chemicals may be granted by the Approving Aut…

.04 Requirements for an Exemption, Granting an Exemption, and Public Hearings. A. The Approving Authority may grant exemptions to public water systems, after documentation and consideration of findings, as specified in 40 CFR §§142.20 and 142.50. The Approving Authority may not i…

.05 Design, Construction, and Modification of Public Water Supply Systems. A. A construction permit shall be obtained from the Approving Authority before construction of a new public water system or before increasing the capacity of or substantially modifying an existing public w…

.05-1 Use of Noncentralized Treatment Devices. A. A supplier of water may use point-of-entry devices to comply with maximum contaminant levels only if the supplier meets the following requirements. The supplier shall: (1) Apply the technology under a plan approved by the Approvin…

.05-2 Treatment Requirements for Surface Water Supplies and Ground Water Supplies Under Direct Influence of Surface Water. A. A supplier of water using a surface water source or a ground water source under the direct influence of surface water shall provide treatment that complie…

.05-3 Treatment Requirements—Control of Disinfection Byproduct (DBP) Precursors. A. Suppliers of water using surface water or ground water under the direct influence of surface water using conventional filtration treatment serving 10,000 or more individuals shall comply with the …

.05-4 Recycle Provisions. A. Applicability. All Subpart H systems that employ conventional filtration or direct filtration treatment and that recycle spent filter backwash water, thickener supernatant, or liquids from dewatering processes shall meet the requirements in §§B—D of t…

.05-5 Treatment Requirements for Ground Water Supplies. A. Applicability. All public water suppliers that use ground water are subject to the requirements of 40 CFR §141 Subpart S except public water suppliers that combine all of their ground water with surface water or with grou…

.06 Maximum Contaminant Level for Inorganic Chemicals in Drinking Water. A. With the exception of nitrate, nitrite, and total nitrate plus nitrite, all inorganic chemical contaminant levels are based on potential adverse health effects resulting from long term exposure to the con…

.06-1 Best Available Technology for Inorganic Chemicals. The Approving Authority has identified the treatment technologies appearing at 40 CFR §§141.62(c) and (d) and 142.61(a) as the best technology, treatment techniques, or other means available for achieving compliance with th…

.06-2 Control of Lead and Copper. A. Suppliers of water to a public water system shall comply with the requirements of 40 CFR §§141.80—141.91. These requirements, based on treatment technique requirements, require regular testing by suppliers of water for lead and copper, establi…

.07 Maximum Contaminant Levels for Organic Chemicals in Drinking Water. A. Suppliers of water to community water systems and nontransient noncommunity water systems shall comply with the MCLs for organic chemicals in §§D, E, and F of this regulation. B. Maximum Contaminant Levels…

.07-1 Best Available Technology for Organic Chemicals. A. The Approving Authority has identified the best available technology to achieve the maximum contaminant levels for contaminants listed in Regulation .07D and E of this chapter. These technologies include granular activated…

.07-2 Treatment Techniques for Acrylamide and Epichlorohydrin. A. A supplier of water to a public water system who uses products containing acrylamide or epichlorohydrin shall certify annually, in writing to the Approving Authority, that the product of monomer level and dosage do…

.08 Maximum Contaminant Level for Turbidity in Drinking Water. A. The maximum contaminant level for turbidity is applicable to all suppliers of water using surface water sources, or ground water sources under the direct influence of surface water, in whole or in part. B. Until Ju…

.09 Maximum Contaminant Levels for Radioactive Substances in Drinking Water. A. The maximum containment levels for radioactive substances are applicable only to community water systems. The following are the MCLs for radioactive substances: (1) Alpha particle radioactivity: Conta…

.10 Maximum Contaminant Levels for Coliform Bacteria in Drinking Water. A. Until March 31, 2016, the maximum contamination level of total coliform is based on the presence or absence of total coliform in each sample, rather than coliform density. The maximum contaminant level for…

.11 Microbiological Contaminant Sampling and Analytical Requirements for Total Coliform. A. Routine Monitoring for Total Coliform of Community and Noncommunity Water Supply Systems Until March 31, 2016. (1) A supplier of water to a community water system shall sample for total co…

.11-1 Microbiological Contaminant Sampling and Analytical Requirements for Fecal Coliform Until March 31, 2016. A. When any routine or repeat sample is total coliform-positive, the supplier of water shall analyze that total coliform culture medium for fecal coliform or E. coli. T…

.11-2 Frequency of Repeat Sampling and Sample Invalidation for Total Coliform, and Triggered Source Water Monitoring. A. Frequency of Repeat Sampling for Total Coliform Until March 31, 2016. (1) If a routine sample is total coliform-positive, the supplier of water shall take repe…

.11-3 Sanitary Survey Requirements for Community and Noncommunity Water Supply Systems. A. Public water systems that are required to regularly collect fewer than five total coliform samples a month shall undergo an initial sanitary survey by the Approving Authority. Community wat…

.11-4 Microbiological Contaminant Monitoring and Reporting Requirements. A. Applicability. (1) This regulation applies to all public water systems. (2) Suppliers of water shall comply with the provisions of this regulation beginning April 1, 2016, unless otherwise specified. (3) …

.12 Turbidity Sampling and Analytical Requirements. A. A supplier of water using a surface water source or a ground water source under the direct influence of surface water shall perform turbidity monitoring as required by 40 CFR §§141.70—141.75. B. Filtered and unfiltered public…

.13 Sampling Analysis: Gross Alpha Particle Activity, Radium-226, Radium-228, Uranium. A. This regulation applies to a community water system (CWS). B. Sampling Location. The supplier of water to a community water system shall: (1) Sample at every entry point to the distribution …

.13-1 Sampling and Analytical Requirements for Beta Particle and Photon Radioactivity. A. This regulation applies to a community water system (CWS). A CWS, both surface and ground water, designated by the Approving Authority as vulnerable shall sample for beta particle and photon…

.13-2 General Monitoring and Compliance Requirements for Radionuclides. A. This regulation applies to a community water system (CWS). The Approving Authority may require more frequent monitoring than specified in Regulations .13 and .13-1 of this chapter, or may require confirmat…

.14 Inorganic Chemical Sampling and Analytical Requirements. A. Monitoring for the purpose of determining compliance with Regulation .06 of this chapter shall be conducted by the supplier of water to a community water system, nontransient noncommunity water system, and transient …

.15 Volatile Organic Chemical (VOC) Sampling and Analytical Requirements. A. Definition. For the purpose of this regulation, "0.0005 milligram/liter" means the detection level for any contaminant in Regulation .07D of this chapter. B. Initial Monitoring. (1) Beginning with the in…

.15-1 Synthetic Organic Chemical (SOC) Sampling and Analytical Requirements. A. Monitoring for the purpose of determining compliance with Regulation .07E of this chapter shall be conducted by the supplier of water to a community or nontransient noncommunity water system in accord…

.15-2 Disinfection Byproducts Sampling and Analytical Requirements. A. Applicability. (1) Community and Nontransient Noncommunity Water System Stage 1 Disinfection Byproducts Rule (DBPR) Compliance Dates. (a) Subpart H systems serving 10,000 or more individuals shall comply with …

.15-3 Special Monitoring for Unregulated Contaminants. Special monitoring for chemicals shall be conducted pursuant to 40 CFR §141.40. Suppliers of water to community and nontransient noncommunity water systems shall monitor for contaminants in accordance with 40 CFR §141.40. Cro…

.15-4 Reporting and Public Notification for Certain Unregulated Contaminants. A. The requirements of this regulation apply only to the contaminants referred to in Regulation .15-3 of this chapter. B. The owner or operator of a community water system or nontransient noncommunity w…

.15-5 Disinfectant Residuals. A. Applicability. CWS and NTNCWS Subpart H systems serving 10,000 or more individuals shall comply with this regulation beginning January 1, 2002. Subpart H systems serving fewer than 10,000 individuals and systems using only ground water not under t…

.16 Alternative Analytical Techniques. With the written permission of the Approving Authority, a supplier of water may employ alternative analytical techniques. An alternative technique is acceptable only if it is substantially equivalent to the prescribed test in both precision …

.17 Approved Laboratories. A. For the purpose of determining compliance with this chapter, samples may be considered only if they have been analyzed by a laboratory approved by the Approving Authority, except that measurements for alkalinity, calcium, conductivity, orthophosphate…

.18 Monitoring of Consecutive Public Water Systems. When a supplier of water provides water to one or more other public water systems, the Approving Authority may modify the monitoring requirements imposed by Regulations .11—.15-3 of this chapter, to the extent that the interconn…

.19 Reporting Requirements. A. When the supplier of water uses the services of a laboratory certified by the Approving Authority, the supplier of water shall report within 10 days following a sample analysis, analytical data required by this chapter to the Water Management Admini…

.20 Public Notification of Variances, Exemptions, and Noncompliance with Standards. A. General Public Notification Requirements. (1) Each supplier of water shall give notice for all violations of national primary drinking water regulations (NPDWR) and for the situations identifie…

.20-1 Public Education for Lead. A. All suppliers of water of each community water system and each nontransient noncommunitiy water system shall provide public education about lead as specified by 40 CFR §§141.85 and 141.154, including consumer notice of lead tap water monitoring…

.20-2 Consumer Confidence Reports. A. A supplier of water to a community water system shall deliver an annual consumer confidence report to their customers as required by 40 CFR §§141.151—141.155: Subpart O—Consumer Confidence Report. This report shall contain information on the …

.21 Record Maintenance. A. A supplier of water shall keep records of microbiological analyses and turbidity analyses for at least 5 years and records of chemical analyses for at least 10 years. Actual laboratory reports may be kept, or data may be transferred into tabular summari…

.22 Emergency Plan Provisions. A. The objective of the emergency plan provision is to assure adequate, safe drinking water for human survival. The Approving Authority shall provide to affected citizenry and local officials the necessary assistance to enable the provision of an em…

.23 Disinfection. A. The Approving Authority shall have the right to establish minimum sampling frequencies and locations for determining disinfectant residuals for public water systems. The responsibility and cost for testing, recording, and reporting the results to the Approvin…

.24 Notice of Violation and Orders. A. When the Approving Authority determines that a supplier of water has not complied with this regulation, the Approving Authority shall issue a notice of violation, or order in writing to the supplier of water stating the: (1) Regulation being…

.25 Plan for Compliance. A. Notice of Violation or Order. After issuing a notice of violation or order, the Approving Authority may agree to the provisions of a plan for compliance submitted by the supplier of water. The plan for compliance shall be in writing and will present th…

.26 Monthly Operating Reports. A. The Approving Authority may require suppliers of water to submit a monthly operating report not later than 10 days after the end of the reporting period. B. The Approving Authority shall specify the information required and the format of the mont…