Water Survey Public Service Laboratory



Program Type:


Participation Details:

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  • (217) 300-7420

Parent Program(s):

  • Illinois State Water Survey



Content Area(s):


Among the Water Survey's most important public services are the water analyses provided by the Chemistry and Technology section to citizens of Illinois who own private wells. The Public Service Laboratory (PSL) has a long history of testing well water samples and making recommendations for water problems of all kinds, whether they cause health or economic difficulties, or whether they're simply a nuisance. The data generated by the testing becomes a part of the Survey's record of groundwater quality throughout the state.

Where lead (Pb) may be a concern (older homes, especially if lead pipes or solder present), the laboratory can provide additional testing (on unflushed and flushed samples). This lead testing is available to all homeowners in the state (municipal or private well supplies).

Each year hundreds of Illinois residents turn to the Water Survey's Chemistry and Technology section for help. A homemaker may bring a sample of wash water that has stained the laundry orange. A farmer may bring a sample of livestock water after noting a high death rate among his piglets. A doctor may submit a sample of the tap water to be used by a patient on a low-sodium diet.

Visit the Public Service Laboratory webpage for more information and answers to common questions you may have about your water.

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