# 25 Tex. Admin. Code § 265.157: 25 TAC § 265.157. Filters

> Texas · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_157

## Section

- **Citation:** 25 Tex. Admin. Code § 265.157
- **Heading:** 25 TAC § 265.157. Filters
- **Jurisdiction:** Texas
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Texas Administrative Code / Title 25 HEALTH SERVICES / Part 1 DEPARTMENT OF STATE HEALTH SERVICES / Chapter 265 GENERAL SANITATION / 25 TAC § 265.157

## Text

(a) NSF/ANSI standards. Filters shall be listed and
 labeled to NSF/ANSI Standard 50 or NSF/ANSI Standard 60, unless the
 lagoon was constructed before the effective date of this subchapter
 and it uses filters that are not replaced.
(b) Filters cleanable. For lagoons constructed on or
 after the effective date of this subchapter, filters shall be designed
 so that after cleaning according to manufacturer's instructions, the
 system provides the required water clarity.
(c) Observable waste discharge. For a lagoon constructed
 on or after the effective date of this subchapter, filters shall have
 a readily observable free fall or sight glass installed on the waste
 discharge line in order that the filter washing progress may be observed.
 Sight glasses shall be readily removable for cleaning.
(d) Filters accessible. Filters shall be installed
 so that filtration surfaces are accessible for inspection and service
 in accordance with manufacturer's instructions.
(e) Operation and maintenance instructions. Filters
 and separation tanks shall have operation and maintenance instructions
 permanently installed on the filter or separation tank. Maintenance
 instructions shall be unobstructed and clearly visible.

## Nearby sections

- [25 Tex. Admin. Code § 265.151 25 TAC § 265.151. General Provisions](https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_151.md)
- [25 Tex. Admin. Code § 265.152 25 TAC § 265.152. Definitions](https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_152.md)
- [25 Tex. Admin. Code § 265.153 25 TAC § 265.153. Plans, Permits, and Instructions](https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_153.md)
- [25 Tex. Admin. Code § 265.154 25 TAC § 265.154. General Construction and Design](https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_154.md)
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- [25 Tex. Admin. Code § 265.157 25 TAC § 265.157. Filters](https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_157.md)
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- [25 Tex. Admin. Code § 265.162 25 TAC § 265.162. Water Supply](https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_162.md)
- [25 Tex. Admin. Code § 265.163 25 TAC § 265.163. Drinking Water, Food, Beverages, and Containers](https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_163.md)
- [25 Tex. Admin. Code § 265.164 25 TAC § 265.164. Wastewater Disposal](https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_164.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_TX_TAC_T25_P1_C265_S265_157. Check the current official text before relying on it. Not legal advice.