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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 52 Pa.B. 3204 (May 28, 2022).

28 Pa. Code § 18.31. Laboratory testing.

§ 18.31. Laboratory testing.

 (a)  Testing and analysis of water samples shall be performed by competent personnel at a drinking water environmental laboratory that is required to register with the Department of Environmental Protection and is in compliance with 27 Pa.C.S. Chapter 41 (relating to environmental laboratory accreditation), known as the Environmental Laboratory Accreditation Act, and the regulations promulgated thereunder. Testing of the water samples shall be performed in accordance with the procedure provided in the Standard Methods for the Examination of Water and Wastewater, 20th edition, published jointly by the American Public Health Association and the American Water Works Association, as amended, or in accordance with any other method approved by the United States Environmental Protection Agency for the testing of E. coli in water samples taken from waters designated for primary contact recreation.

 (b)  The laboratory shall document the method used to complete the tests of the water samples and make the documentation available to the Department upon request.


   The provisions of this §  18.31 amended under the Public Bathing Law (35 P. S. § §  672—680d); the Local Health Administration Law (16 P. S. § §  12001—12028); and section 1920-A of The Administrative Code of 1929) (71 P. S. §  510-20).


   The provisions of this §  18.31 adopted September 18, 1971, effective September 18, 1971, 1 Pa.B. 1921; amended July 16, 2004, effective July 17, 2004, 34 Pa.B. 3695. Immediately preceeding text appears at serial page (216886).

Cross References

   This section cited in 28 Pa. Code §  18.30 (relating to water samples).

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