Delaware Drinking Water regulations & environmental compliance analysis

Delaware Drinking Water: What you need to know

Governing Law and Regulations

General provisions for drinking water standards: 16 Delaware Administrative Code (DE Admin Code) 4462

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Water supply operators: 16 DE Admin Code 4463

Maximum contaminant levels (MCLs): 16 DE Admin Code 4462.1.0

Turbidity: 16 DE Admin Code 4462.4.2.2.4.1.1.5 and 16 DE Admin Code 4462.4.2.3.1

Gross alpha particles: 16 DE Admin Code 4462.15.1.1.3

Certificates of approval: 16 DE Admin Code 4462.1.12.1

Emergency provisions: 16 DE Admin Code 4462.1.10

Approved laboratories: 16 DE Admin Code 4462.1.14

Operator certification: 16 DE Admin Code 4463.4.1 to 4463.4.5

Licensing procedures: 16 DE Admin Code 4463.7.1 to 4463.7.6

Regulatory Agency

Delaware Department of Health and Social Services (DHHS) Division of Public Health (DPH) Office of Drinking Water

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Delaware has adopted many of the federal requirements for the protection of public water supplies under the Safe Drinking Water Act (SDWA) and has some additional, more stringent requirements. For example, the state has stricter maximum contaminant levels (MCLs) for certain pollutants, such as turbidity and radium.

In addition, the state has a primary MCL for nickel of 0.1 milligrams per liter (mg/L), where there is no federal primary MCL for nickel. See the national section DRINKING WATER for additional information on the federal MCLs and the SDWA.

Delaware has also adopted regulations for licensing and registration of operators of public water supply systems.

Administration and enforcement. The Division of Public Health's (DPH) Office of Drinking Water has primary responsibility for ...


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More on this topic:

Governing Law and Regulations
Regulatory Agency
Comparison: State vs. Federal
State Requirements
Forms