§ 61-57. Monitoring of discharges.

(a)

Applicability. This section applies to all dischargers to the city's storm drainage system, including construction activity.

(b)

Access to premises and facilities.

(1)

Any person shall allow the director ready access to all parts of the premises for the purposes of inspection, sampling, examination and copying of records that must be kept under the conditions of an NPDES permit to discharge stormwater, and the performance of any additional duties as defined by state and federal law.

(2)

The director shall have the right to conduct monitoring and/or sampling of any premises stormwater discharge prior to its entry into the storm drainage system.

(3)

If the director is not allowed to conduct monitoring and/or sampling of a premises stormwater discharge, the director may suspend system access in accordance with the provision of this article.

(c)

Monitoring of discharges.

(1)

The director may require a discharger to install monitoring equipment and conduct sampling of its discharges to the storm drainage system as necessary and in a manner acceptable to the director. Sampling and monitoring equipment installed pursuant to this section shall be maintained at all times in a safe and proper operating condition by the discharger at its own expense. All devices used to measure stormwater flow and quality shall be calibrated to ensure their accuracy.

(2)

When the director requires a discharger to conduct sampling under this section, all stormwater discharge samples shall be collected in accordance with 40 CFR 122.21(g)(7), as may be amended from time to time, and pollutant analyses shall be performed in accordance with 40 CFR Part 136, as may be amended from time to time. If 40 CFR Part 136 does not specify analytical techniques for the pollutant in question, analyses must be performed in accordance with procedures approved in writing by the director.

(3)

Any discharger required to collect samples pursuant to this section shall maintain the following records and information for all such samples:

a.

The date, exact place, method and time of sampling;

b.

The name(s) of the person(s) collecting the samples;

c.

The date the analyses were performed;

d.

Who performed the analyses;

e.

The analytical protocols, techniques, and methods used; and

f.

The results of such analyses.

(4)

The records of any sampling or monitoring conducted pursuant to this section shall be maintained by the discharger for a period of at least 3 years, unless the discharger has been specifically notified of a longer retention period by the director. The three-year retention period shall be extended automatically for the duration of any litigation concerning compliance with this article.

(Ord. No. 120551, § 1, 6-28-12)