Ohio Administrative Code Search

...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 shall use the following procedures: (1) For systems that collect a total ...

...v) 2.0... 1275 1220 1117 1023 858 719 553 357 232 150 98 (vi) 2.5... 1594 1525 1396 1278 1072 899 691 447 289 188 122 (vii) 3.0 ... 1912 1830 1675 1534 1286 1079 830 536 347 226 147 1 Systems may use this equation to determine log credit between the indicated values: Log credit = (0.001506 x (1.09116) Temp ) x CT. (b) Systems receive the Cryptosporidium treatment credit ...

...(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...

...first report required by rule 3745-81-75 of the Administrative Code. The director may also require any other public water system to submit such a plan. After review, the director may require changes in any plan elements. The public water system shall modify the plan as required by the director. The plan shall include at least the specific locations and schedules for collecting samples for any ...

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...o 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 grab sampling for turbidity monitoring, samples shall be obtained within the first and last hours of filter operation and at least every four hours in between. Systems using grab samplin...

...ired by paragraph (A) of rule 3745-81-74 of the Administrative Code shall be reported to the director within ten days after the end of each month the public water system serves water to the public. The information reported shall include the following: (1) The total number of filtered water turbidity determinations during the month. When filtered water turbidity is recorded continuously, the r...

...ired by paragraph (A) of rule 3745-81-74 of the Administrative Code shall be reported to the director within ten days after the end of each month the public water system serves water to the public. The information reported shall include the following: (1) The total number of filtered water turbidity determinations during the month. When filtered water turbidity is recorded continuously, the r...

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...nfection byproduct precursors (DBPP). (1) Routine monthly monitoring: public water systems using surface water as a source which use conventional filtration treatment shall monitor each treatment plant for TOC no later than the point of combined filter effluent turbidity monitoring and representative of the treated water. All public water systems required to monitor under this paragraph shall als...

...e at least the following information: (1) A plant schematic showing the origin of all flows which are recycled that may include, but are not limited to: (a) Spent filter backwash water. (b) Thickener supernatant. (c) Liquid from a dewatering process. (d) Filter to waste. (e) The hydraulic conveyance used to transport them. (f) The location where they are mixed in the water treatment process. (2) T...

... at least the following information: (1) A plant schematic showing the origin of all flows which are recycled that may include, but are not limited to: (a) Spent filter backwash water. (b) Thickener supernatant. (c) Liquid from a dewatering process. (d) Filter to waste. (e) The hydraulic conveyance used to transport them. (f) The location where they are mixed in the water treatment process. (2) T...

...ty. 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 regulations es...

...equirements 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. (2) A small system (serving less than or equal to three thousand three hundred per...

...licable 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 action level shall recommend installation of and submit plans for one or more of the corrosion control treatments li...

...aph (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: a system exceeding the lead or copper action level shall complete source water at the entry point to the distribution system monitoring for lead and copper (in accordance with paragraph (B) of ru...

...t to paragraph (D)(2) of rule 3745-81-86 of the Administrative Code, after installing corrosion control or source water treatment (whichever sampling occurs later). (1) The water system shall identify the initial number of lead service lines in its distribution system, including an identification of the portion owned by the system, based on a materials evaluation, including the evaluation req...

... 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 follows: (1) Provide notice of the le...

...te 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 which first-draw ...

...this rule. (A) General requirements. (1) Sample collection methods. (a) Tap samples shall be representative of water quality throughout the distribution system taking into account the number of persons served, the different sources of water, the different treatment methods employed by the public water system, and seasonal variability. Tap sampling under this rule is not required to be conducted at taps targeted fo...

...ction 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 locations, collection methods, and nu...

...ical 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 director and meet all requirements specified in rule 3745-89-03 of the Administrative Code. Laboratories performing these analyse...

...ter 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 parameter samples within ten days following the end of the month in which the system receives the sample results, as specified in rules 3745-81-86 and 3745-81-87 of the Administrative Co...

...oted, 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 laboratory certified in accorda...