5 Colo. Code Regs. § 1002-11.20

Current through Register Vol. 47, No. 20, October 25, 2024

Section 5 CCR 1002-11.20 - SODIUM RULE

11.20(1) Applicability

For all community water systems, the supplier must comply with the requirements specified in this rule.

11.20(2)Requirements for Sodium

(a) For new sources, new systems, or reclassified systems that now meet the applicability of this rule, the supplier must begin collecting routine samples when the new system or source begins serving water to the public or when the system is reclassified.

(b) For routine sampling, the supplier must collect one sample at each entry point:

(i) For surface water systems, annually.

(ii) For groundwater systems, every three years.

(c) If the system has multiple wells drawing raw water from a single aquifer, the Department may reduce the number of sodium samples required if a single entry point is determined to be representative of multiple entry points.

(d) In addition to the general reporting requirements specified in 11.35, the supplier must submit a notice of the sodium sample results to appropriate local public health officials, by direct mail, each year.

(i) The supplier must submit a copy of the notice to the Department no later than ten days after issuing the notice to the appropriate local public health officials.

5 CCR 1002-11.20

38 CR 07, April 10, 2015, effective 4/30/2015

41 CR 11, June 10, 2018, effective 6/30/2018

41 CR 23, December 10, 2018, effective 12/30/2018

43 CR 07, April 10, 2020, effective 4/30/2020

43 CR 17, September 10, 2020, effective 9/30/2020

45 CR 24, December 25, 2022, effective 1/14/2023