Ohio Administrative Code Search

...(A) Following completion of the initial round of source water monitoring required by paragraph (A) of rule 3745-81-65 of the Administrative Code, systems shall calculate an initial Cryptosporidium bin concentration for each plant for which monitoring was required. Calculation of the bin concentration shall use the Cryptosporidium results reported under paragraph (A) of rule 3745-81-65 of the Administrative Code and s...

...(A) Water systems shall obtain plan approval by the director for each microbial toolbox option prior to receiving treatment credit for the toolbox option. Systems receive the treatment credits listed in the following table by meeting the conditions for microbial toolbox options described in paragraphs (B) to (N) of this rule. Systems shall apply these treatment credits to meet the treatment required by paragraph (E) ...

...(A) Reporting requirements. (1) Systems shall report sampling schedules in accordance with paragraph (I) of rule 3745-81-65 of the Administrative Code and source water monitoring results in accordance with paragraph (A) of rule 3745-81-66 of the Administrative Code unless they notify the director that they will not conduct source water monitoring due to meeting the criteria of paragraph (D) of rule 3745-81-65 of the...

...(A) Each public water system required to monitor under this rule shall develop and implement a monitoring plan. The public water system shall maintain the plan and make it available for inspection by the director and the general public. All surface water systems serving more than three thousand three hundred people shall submit a copy of the monitoring plan to the director no later than the date o...

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...A public water system that uses a surface water source, in whole or in part, shall conduct turbidity and disinfection monitoring in accordance with this rule. (A) Turbidity measurements to ensure compliance with rule 3745-81-73 of the Administrative Code shall be performed on representative samples of filtered water at least every four hours that the water treatment plant is in operation. If using gr...

...A public water system that uses a surface water source shall report monthly to the director the information specified in paragraphs (A) to (F) of this rule. In addition, a public water system that shall monitor for TTHM, HAA5, bromate, chlorite, total residual chlorine, chlorine dioxide, or TOC shall comply with the applicable sections of paragraph (G) of this rule. (A) Turbidity determinations as required...

...A public water system that uses a surface water source shall report monthly to the director the information specified in paragraphs (A) to (F) of this rule. In addition, a public water system that monitors for TTHM, HAA5, bromate, chlorite, total residual chlorine, chlorine dioxide, or TOC shall comply with the applicable sections of paragraph (G) of this rule. (A) Turbidity determinations as required ...

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...(A) Surface water community and nontransient noncommunity public water systems using conventional filtration treatment shall operate with enhanced coagulation or enhanced softening to achieve the TOC per cent removal levels specified in paragraph (F) of this rule unless the system meets at least one of the alternative compliance criteria listed in paragraph (D) or (E) of this rule. (B) Surface wa...

...A surface water system that uses conventional filtration treatment or direct filtration treatment and that recycles spent filter backwash water, thickener supernatant, or liquid from a dewatering process shall meet the following: (A) Surface water systems shall notify the director in writing if spent filter backwash water, thickener supernatant, or liquid from a dewatering process is recycled prior to ...

...A surface water system that uses conventional filtration treatment or direct filtration treatment and that recycles spent filter backwash water, thickener supernatant, or liquid from a dewatering process shall meet the following: (A) Surface water systems shall notify the director in writing if spent filter backwash water, thickener supernatant, or liquid from a dewatering process is recycled prior to ...

...(A) Applicability. The requirements of rules 3745-81-80 to 3745-81-90 of the Administrative Code are based on the national primary drinking water regulations for lead and copper. Unless otherwise indicated, each of the provisions of these rules applies to community water systems and nontransient noncommunity water systems (hereinafter referred to as "water systems" or "systems"). (B) Scope. These...

...(A) Public water systems shall complete the applicable corrosion control treatment requirements described in rule 3745-81-82 of the Administrative Code by the deadlines established in this rule. (1) A large system (serving more than fifty thousand persons) shall complete the corrosion control treatment steps specified in paragraph (D) of this rule, unless otherwise determined by the director....

...Each public water system shall complete the corrosion control treatment requirements described below which are applicable to such system under rule 3745-81-81 of the Administrative Code. (A) Small public water system recommendation regarding corrosion control treatment. Based upon the results of lead and copper tap monitoring and water quality parameter monitoring, small water systems exceeding the lead or copper ac...

...Public water systems shall complete the applicable source water at the entry point to the distribution system monitoring and treatment requirements (described in the referenced portions of paragraph (B) of this rule and in rules 3745-81-86 and 3745-81-88 of the Administrative Code) by the deadlines in paragraphs (A)(1) to (A)(6) of this rule. (A) Deadlines for completing source water treatment steps. (1) Step one: ...

...All water systems that replace lead service lines, replace water mains in areas that contain or are likely to contain lead service lines, or exceed the lead action level after the implementation of corrosion control or source water treatment shall comply with all applicable requirements in this rule. (A) Requirements for public water systems that exceed the lead action level in tap water monitoring pursu...

...All public water systems collecting tap water samples in accordance with rule 3745-81-86 of the Administrative Code shall comply with all applicable requirements in this rule. (A) Consumer notice of results. A water system shall complete all applicable notice requirements in this rule for the results of tap water monitoring collected in accordance with rule 3745-81-86 of the Administrative Code, as ...

...(A) Sample site location and mapping requirements. (1) Each public water system shall complete a materials evaluation of the distribution system in order to identify a pool of targeted sampling sites that meets the requirements of this rule and is sufficiently large to ensure that the public water system can collect the number of lead and copper tap samples required in paragraph (C) of this rule. All sites from whic...

...All large public water systems shall monitor water quality parameters in addition to lead and copper in accordance with this rule. All small and medium public water systems that exceed the lead or copper action level shall monitor water quality parameters in addition to lead and copper in accordance with this rule. For performing the analyses of water quality parameters set forth in this rule, laboratories are exempt...

...(A) Sampling point locations, collection methods, and number of samples. (1) A public water system that exceeds the lead or copper action level on the basis of tap water samples collected in accordance with rule 3745-81-86 of the Administrative Code shall monitor for lead and copper in source water at the entry point to the distribution system in accordance with the following requirements regarding sampling point lo...

...(A) Analyses for pH, conductivity, calcium, alkalinity, orthophosphate, silica and temperature shall be performed using analytical methods as specified in rule 3745-81-27 of the Administrative Code. (B) Analyses for lead and copper shall be performed using analytical methods as specified in rule 3745-81-27 of the Administrative Code and shall only be conducted by laboratories certified by the...

...All water systems shall report all of the following information to the director in accordance with this rule. (A) Reporting requirements for tap water monitoring for lead and copper and for water quality parameter monitoring. (1) Except as provided in paragraph (A)(1)(g) of this rule, a public water system shall report the information specified below for all tap water samples and all water quality...

...(A) Except as otherwise noted, the definitions in rule 3745-81-01 of the Administrative Code shall apply to this chapter. (B) Except as otherwise noted, analyses required by this rule shall be conducted in accordance with methods as specified in rule 3745-81-27 of the Administrative Code. In addition, analysis for parameters listed in the table in this paragraph shall be conducted in a labora...