■Three Points to Confirm First 1. Availability of Reception: Does the local health department conduct well water testing? 2. Method of Reception: Is it by appointment or on designated reception days? 3. Content of Testing: What items are included in the set, and when will the results be available? ■Don't Prepare Your Own Container?! Several health departments have a system where you receive a dedicated sampling container in advance at the counter. There are cases where containers are separated by type of test, such as glass bottles for physical and chemical testing and plastic containers for bacterial testing. Some health departments also handle the application process at the stage of receiving the container. ■Bring It In on the Day of Sampling Sampling should be done on the same day you bring it in, and you should let the water run for a few minutes before collecting it. For the container used for physical and chemical testing, it may be rinsed with the water being sampled several times, while the container for bacterial testing is often used without rinsing. For the bacterial testing container, handle it in a way that prevents your hands or the faucet from touching the inside or the underside of the lid. ■When Will You Know the Results? In the examples provided, the flow is to receive the test results document at the counter about one to two weeks after the reception the following week. Be sure to confirm the reception counter and hours in advance.

■What items should be investigated? Inspections by health departments typically focus on a set of about 12 to 13 items that serve as indicators of contamination, rather than covering all water quality standards. There may also be items included in the set that are not part of the water quality standards. ■How to check the costs? Fees are sometimes listed on the health department's website. Some municipalities charge 6,000 yen for 12 items, while others charge 9,820 yen for general item inspections. Since the amounts may be revised, it's best to check the latest information. ■Is it once a year for home wells too?! According to the guidelines, regular water quality inspections for commercial drinking wells are mandated to be conducted at least once a year. While wells used solely for personal residence are exempt from this requirement, the guidelines recommend conducting inspections at least once a year. ■For missing items, request from another source Inspections before starting to use a well are stipulated by the guidelines to follow the Water Supply Act. Items not included in the health department's set can be requested from registered water quality testing organizations. Torii also offers consultations for water quality testing. Please feel free to reach out for inquiries.