10- 144 C.M.R. ch. 231, § 5

Current through 2024-51, December 18, 2024

Section 144-231-5 - RECORD MAINTENANCE

Any owner or operator of a system shall retain specific records on his or her premises, or at a convenient location near the premises. Such records (indicated below) shall be made available to the public for their review.

A.Water Analyses

1. Records of bacteriological analyses made pursuant to these regulations shall be kept for not less than 5 years. Records of chemical analyses made pursuant to these regulations shall be kept for not less than 10 years. Actual laboratory reports may be kept, or data may be transferred to tabular summaries, provided that the following information is included:

a. Name of public water system and public water system ID number (PWSID);

b. The date, place, and time of sampling and the name of person who collected the sample

c. Identification of the sample as to whether it was a routine distribution system sample, check sample, raw process water sample, or other special purpose sample;

d. Date and time that lab received sample;

e. Date and time of analysis;

f. Laboratory and person responsible for performing analysis;

g. The analytical technique/method used;

h. Minimum Detection Limits (MDL); and

i. The results of the analysis with, where appropriate, the units of measurement.

2. Certified laboratories must submit forms to the Department in a format approved by the Department, which includes hard-copy or electronic forms.

3. Records of lead analyses and of copper analyses made pursuant to these regulations, as pertinent to requirements of the Federal Lead and Copper Rule, shall be kept for not less than 12years.

B.Violations

Records of action taken by the system to correct violations of drinking water regulations shall be kept for a period of not less than 3 years after the last action taken with respect to the particular violation involved and made available to the public upon demand.

C.Sanitary Surveys

Copies of any written reports, summaries, or communications relating to sanitary surveys of the system conducted by the system itself, by a private consultant, or by any local, State, or Federal agency, shall be kept for a period of not less than 10 years after completion of the sanitary survey involved and made available to the public upon demand.

D.Variances and Exemptions

Records concerning a variance or exemption granted to the system shall be kept for a period ending not less than 5 years following the expiration of said variance or exemption and made available to the public upon demand.

E.Operational Period

Each system shall maintain daily operational records, which shall be available for inspection and review by the Department and the public. Community systems using wells as a source of supply should maintain records on drawdown and static water level in each well.

F. Assessments Required By the Revised Total Coliform Rule

Systems must maintain copies of any Level 1 and Level 2 Assessment Forms performed, along with records of any associated corrective actions, for five (5) years after completion of the assessment or the corrective action.

10- 144 C.M.R. ch. 231, § 5