§ 37-756. Groundwater remediation discharges.

(a)

Purpose. The purpose of this section is to provide for the discharge of treated groundwater from remediation sites by users to the collection system without causing pass through, upset or interference at the county WRFs.

(b)

General criteria.

(1)

The discharge by a user to the county wastewater system of certain liquids or wastes may be prohibited or limited by the provisions set forth in this article or by the director.

(2)

Specified groundwater remediation facilities that discharge to the county wastewater system shall be classified as a significant industrial user.

(3)

Groundwater from remediation sites shall be pretreated prior to discharge to the county wastewater system.

(4)

An industrial wastewater discharge permit application shall be submitted to the director by the user or owner of the remediation facility prior to use of such facility. The director may require complete characterization of the groundwater prior to and following treatment (remediation) before issuance of the industrial wastewater discharge permit. The permit application shall be completed pursuant to the requirements in section 37-745(d).

(5)

The director may impose limitations and monitoring requirements for the treated discharge to the county POTW or WWF in accordance with the provisions of this article, and the county's local limits as specified and established by county resolution and standards set forth in Chapter 62-550 and Chapter 62-777, F.A.C., or as amended.

(6)

The user shall not discharge untreated or treated groundwater to the county wastewater system without prior written approval of the director or obtaining an industrial wastewater discharge permit.

(7)

A flow measuring device shall be installed on the discharge line in accordance with the plans approved by the director and the manufacturer's recommendations. The flow measuring device shall be provided, installed, calibrated and maintained at the user's expense. The flow measuring device shall be calibrated at least quarterly. Calibration records shall be retained by the user for inspection and review by the director in accordance with section 37-747(n).

(8)

The user shall provide a monitoring point at their expense for the collection of samples and field data (physical parameters).

(9)

Groundwater treatment systems shall be designed and operated in accordance with the best available technology and as approved by the director.

(10)

Pursuant to the provisions of the industrial wastewater discharge permit, the director shall require the discharge to the county wastewater system to be monitored on a regular basis for the determination of compliance with the standards and limits set forth in this article.

(c)

Limits. Discharges from groundwater remediation facilities to the county POTW or WWF shall comply with the standards or limits for organic constituents set forth in 40 CFR Part 414.101, Chapter I, Subchapter N, 40 CFR Part 414.111, Chapter I, Subchapter N, or the FDEP guidelines for low yield quality groundwater or natural attention of default sources set forth in Chapter 62-777, F.A.C., or as amended and the county's local limits as specified and established by county resolution.

(d)

Enforcement. Enforcement action shall proceed in accordance with the provisions specified in the county's ERP and as specified in sections 37-749 through 37-751 of this article.

(Ord. No. 2002-20, § 1, 12-3-02; Ord. No. 2009-19 , § 6, 7-14-09)