N.J. Admin. Code § 8:26-7.18
Current through Register Vol. 56, No. 21, November 4, 2024
Section 8:26-7.18 - Microbiological water quality standards for bathing beaches(a) Microbiological water quality standards for pond, lake, stream, river and tidal fresh water bathing beaches shall be determined on the basis of Escherichia coli (E. coli) densities, sanitary survey results, and/or epidemiological evidence.(b) Escherichia coli count standards are as follows: 1. Testing for Escherichia coli shall be conducted in accordance with DSAM procedures approved by the NJDEP in accordance with the authority codified at N.J.A.C. 7:18.2. The estimated Escherichia coli concentrations shall not exceed 320 colony forming units of Escherichia coli per 100 milliliters.(c) Microbiological water quality standards for ocean and bay bathing beaches shall be determined on the basis of enterococcus densities, sanitary survey results, and/or epidemiological evidence.(d) Enterococcus count standards shall be as follows: 1. The test method for enterococci in water shall be conducted in accordance with DSAM procedures approved by the NJDEP in accordance with the authority codified at N.J.A.C. 7:18. The estimated enterococcus concentration shall not exceed 104 enterococci per 100 milliliters of sample.(e) Bathing beach sample results shall not exceed the chart below and shall follow the disposition chart: | Indicator | GM (cfu/100 mL) | WQS (cfu/100 mL) |
| Enterococci-marine | 30 | 104 |
Note: GM- Geometric mean, Cfu- colony forming units, WQS- Water Quality Standard
| Exceed 30-day rolling Geometric mean | Sanitary survey required and submitted. All fields on form are mandatory |
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N.J. Admin. Code § 8:26-7.18
Amended by 50 N.J.R. 481(b), effective 1/16/2018