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Indiana State Department of Health

Environmental Public Health Home > Water Supply Information Water Supply Information

Program Overview

Welcome to the home page for the Indiana State Department of Health (ISDH) Water Supply Program. ISDH’s Environmental Public Health Division. The Division seeks to insure safe facilities, proper water supply, and proper sewage disposal.


Drinking water chemistry laboratories (Indiana-certified)
Pre-Approved Automatic Hot Water Temperature Control Valves
Pre-approved Exterior Drinking Fountains and Yard Hydrants - or - PDF
Pre-approved Exterior Water and Sewer Piping - or - PDF
Water microbiology laboratories (Indiana-certified)


Order Form for Drinking Water Sample Bottle
Anyone can submit a drinking water sample for sodium, fluoride, nitrate, or bacteriological analysis by the ISDH Laboratory.  The ISDH laboratory will provide a sterilized sample bottle with shipping form and container, upon payment of the necessary fee.

Program Information

Backflow Device Testers can now be found at the Indiana Professional Licensing Agency – License Express Web site.

Bottled Water Basics
EPA encourages all Americans to learn more about the quality of their drinking water, both tap water and bottled water, before deciding whether to drink tap water, bottled water, or both.

Community-Small and Medium Drinking Water Systems
This IDEM web page has information on small and medium community drinking water systems. The page has information on: Overview of Indiana Monitoring, Reporting and Recordkeeping Requirements - Operation and Management of a Public Water Supply - Overview of Drinking Water Regulations  - Planning for Emergencies - Indiana Department of Environmental Management (IDEM) Responsibilities - Public Health Considerations for Drinking Water Suppliers - Regulatory Enforcement - Future Regulatory Changes - Glossary of Terms and Acronyms - National Drinking Water Standards & Drinking Water Public Notification - IDEM Drinking Water Branch Contacts - USEPA Contacts - Other Sources of Drinking Water Information

Cross-Connection Control & Backflow Prevention Manual 2009 Edition
This document has been generated by the Indiana Department of Environmental Management (IDEM) to provide general guidelines regarding cross-connection control and backflow prevention in the State of Indiana. This manual is intended to serve as an informative and useful introductory reference for backflow prevention.

Included in this manual are the Indiana Administrative Codes governing cross-connection control and backflow, including codes administered by the Indiana State Department of Health (ISDH) and IDEM, as well as the Indiana Plumbing Code. Guidelines for developing a cross-connection control program are also included. A section explaining the legal liability associated with cross connections and backflow is additionally provided for reference. The technical aspects of some common cross-connection control devices and backflow prevention devices are also presented.

Cross-Connection Control Manual
Plumbing cross-connections, which are defined as actual or potential connections between a potable and non-potable water supply, constitute a serious public health hazard. This Cross-Connection Control Manual, written for the EPA, has been designed as a tool for health officials, waterworks personnel, plumbers, and any others involved directly or indirectly in water supply distribution systems. It is intended to be used for educational, administrative, and technical reference in conducting cross-connection control programs.

Depth to Water Lines for Freeze Protection Map
This map, from Bulletin S.E 13, shows the depth of frost penetration for Indiana Counties.

Directions for Disinfecting Wells and Water Sources
This document details necessary information for the proper sanitizing of wells or other private water sources after a flood, and before the water supply is again put to use. For additional information on disinfecting wells the Indiana Department of Environmental Management has a Fact Sheet on Well Disinfection

Directions for Treating Drinking Water in Small Quantities
In emergencies, or as a temporary measure, water from contaminated or suspect sources can be disinfected by either chlorination or boiling. This document provides step by step instructions for treating contaminated water so it may be used for drinking or cooking.

Drinking Water Compliance Evaluation
This fact filled IDEM web page contains links to annual compliance reports, public drinking water information, drinking water guidance manuals, a drinking water reporting form and much more.

EPA National Primary Drinking Water Standards
Information from the Indiana Department of Environmental Management on the EPA chemical contaminant levels for safe drinking water.

Frost-free Hydrants Policy - or - PDF
Frost-proof (or freeze free) hydrants with stop and waste valves which, when turned off, drain back and discharge through subsurface outlets are not approved for use in public facilities. This policy relates to water distribution systems serving properties and commercial facilities under the jurisdiction of the State Department of Health.

Indiana Department of Natural Resources FAQ.
These Frequently Asked Questions about ground water and water wells include information on the proper abandonment and plugging of wells that are no longer being used.

Indiana Public Water Supply Database
This information is at the Indiana Department of Environmental Management web site. Using this portal, a person can determine for any public water supply its source water, treatment employed, population served, pertinent names addresses, and results of the most recent chemical and bacteriological testing conducted.

Lead in Private Drinking Water Wells
Quick Facts

Maximum Contaminant Levels for Drinking Water
Information from the Indiana Department of Environmental Management on maximum chemical contaminant levels for safe drinking water.

Methane Gas & Your Water Well
A Fact Sheet for Indiana Water Well Owners.

Recommended Standards For Private Water Wells - or - PDF 
A guide for well drillers and homeowners in the construction of safe, usable wells, with standards for construction of wells and installation of pumps and appurtenances.

Testing Your Private Well
Knowing your water is safe for the whole family is as simple as 1-2-3. An ISDH brochure on private well testing.

Ways to conserve water - or - PDF
Water conservation not only will save water; it saves energy, and it can save you money. Excessive water use burdens water utilities, overloads sewage treatment plants, and can cause residential septic systems to malfunction or fail.

Water Main/Line Specifications and Clearances

Water Outage or Boil Water Order 
This provides guidelines for school officials and local health departments who must respond to water outages or boil water orders, during school.

Water Well Drillers Rule 312 IAC 13 Indiana Department of Natural Resources water well drillers rule.

Well Owner Organization
Information for consumers about groundwater and water wells.