15.06.030 Applicability. This Chapter applies to existing local small and state small water systems that do not meet primary water quality standards in the unincorporated area of the County of Monterey. This Chapter only applies to active service connections. 

15.06.040 POU or POE Treatment Implementation Options. A. A local small or state small water system (2-4 connections and 5-14 connections respectively) may be permitted to use effective POU or POE treatment devices. Water systems who choose this alternative will be deemed as a “Compliant Water System Utilizing Treatment” if 100% of the service connections have installed a POU or POE treatment device in accordance with this Chapter and the water system meets the requirements of Section 15.06.110 of this Chapter. B. For local small water systems and state small water systems, POU treatment is not allowed for treatment of microbial contaminants, volatile organic chemicals, organic chemicals that pose an inhalation risk, or radon. C. POU treatment or POE treatment is not authorized as the means to establish proof of water quality for applications for new subdivisions. Discretionary approval for new Ordinance amending Chapter 15.04 and adding Chapter 15.06 (November 2023) Page 9 of 16 subdivisions shall not be conditioned to use POU treatment or POE treatment for water systems as the means by which the lots to be created by the subdivision would meet primary water quality standards. 

15.06.050 POU or POE Permit Requirements for Water Systems. A. A local small or state small water system that chooses to implement a POU or POE treatment program must apply for and obtain an amendment to the water system permit pursuant to Monterey County Code Section 15.04.070 prior to use of POU or POE treatment. The applicant must do the following: 1. Submit an application for a permit amendment to implement a POU or POE treatment program on such form as the Department may prescribe. 2. For a mutual water company or shared well, provide a copy of the articles of incorporation or a valid water system agreement, which indicates who is responsible for complying with water system permitting requirements. If the mutual water company or shared well does not have articles of incorporation or a valid water system agreement, then articles of incorporation or a written water system agreement must be adopted in order to establish responsibility for complying with water system permitting requirements for the POU or POE treatment. 3. Provide documentation that the proposed POU or POE treatment device complies with the treatment device technical requirements pursuant to Monterey County Code Section 15.06.060. 4. Submit a POU or POE treatment strategy pursuant to Monterey County Code Section 15.06.070 for the Director’s review and approval. 5. Submit a POU or POE operations and maintenance program pursuant to Monterey County Code Section 15.06.080 for the Director’s review and approval. 6. Submit a POU or POE monitoring program pursuant to Monterey County Code Section 15.06.090 for the Director’s review and approval. 7. Provide evidence that 100% of the service connections will participate in the approved POU or POE treatment. B. The Director shall issue the permit amendment to the water system if all of the following requirements are met: 1. Applicant has submitted the application and all required supporting documentation; 2. The POU or POE treatment device meets technical requirements in accordance with this Chapter 3. The Director has approved the treatment strategy, operations and maintenance program, and monitoring program in accordance with this Chapter; 4. The water system has demonstrated that 100% of the service connections will participate in the approved POU or POE treatment; and 5. The water system is in compliance with annual operating fee requirements as stated in Monterey County Code Section 15.04.150. C. The Director may issue the permit amendment to the water system per Subsection B of this Section if all requirements except Subsection B(4) are met, but the water system would not be deemed a fully compliant system. D. The permit amendment for a POU or POE treatment device shall be valid for one (1) year. The permit amendment must be renewed annually in order for the water system to be deemed a “Compliant Water System Utilizing Treatment”. In order to renew the permit amendment, the water system shall submit to following to the Director for review and approval: 1. Application for renewal; 2. Records maintained per Monterey County Code Section 15.06.100; and 3. If opportunities for grant funding resources to support long term water treatment solutions become available, the water system shall demonstrate that it is pursuing such funding in order to be eligible for renewal. E. The Director shall issue the renewed permit amendment to the water system if all of the following requirements are met: 1. Applicant has submitted the application for permit renewal and all required supporting documentation. 2. The most recent test of each installed POU or POE meets primary water quality standards. 3. The water system is in compliance with the Director approved treatment strategy, operations and maintenance program, and monitoring program in accordance with this Chapter. 4. The water system has demonstrated that 100% of the service connections have an approved POU or POE treatment. 5. The water system is in compliance with annual operating fee requirements as stated in Monterey County Code Section 15.04.150.