Staff Guidance on Drinking Water Quality


Topics Under This Category:
Alternative to Boil Water Order
Alternative to boil water order when a well must be returned to service prior to collection of required microbiological samples.
 
Chemical Contamination of a Public Drinking Water Source
Steps for our staff to follow in checking out reports of the chemical contamination of public water supplies. Includes notification checklist.
 
Citation of Violations in Comprehensive Compliance Investigation Reports
Policy on how TCEQ investigators can cite violations of microbial or chemical standards for drinking water quality when completing CCI reports.
 
Disclosure of Secondary Chemical Standards Exceedances
Guidance for our staff to follow when levels of secondary chemical constituents exceed the recommended limits and water of acceptable chemical quality would seem to be cost prohibitive.
 
Meeting Treatment Technique Requirements for Cryptosporidium, Giardia, and Viruses
Information for our staff to use when reviewing these filtration methods: membrane filtration; two-stage filtration; direct filtration; cartridge filtration.
 
Public Notification Requirements for Finished Water Turbidity Levels above 1.0 NTU
Guidance for our staff on the 3 procedures for issuing public notice for a daily turbidity violation: acute violation/boil water notice; acute violation; nonacute violation. Circumstances under which each is to be required.
 
Regulation of Lead and Copper: Expanding the Availability of Monitoring Waivers to Systems with a Population of 3,300 or Less
Consistent with federal rules, waivers from lead and copper regulations will be considered for any system serving a population of 3,300 or less.
 
Required Bacteriological Samples When a Well Pump is Repaired or Replaced
Only one bacteriological sample is required when a well pump is pulled for repair. All traces of chlorine must be flushed from the well before the sample is collected.
 
Response to an Alleged Waterborne Disease Outbreak
Guidance for our staff to follow in investigating and responding to alleged outbreaks of waterborne disease.