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Wednesday, August 19, 2020

Ask Aqua Man



Dear Concerned:

Thank you for your question! We are also concerned about the impacts of COVID-19 and compliance rates with both the Backflow Prevention and Cross-Connection Control Rule as well as the Storage Tank Rule. The division worked with stakeholders since April to propose some important updates to the rules. On April 10, 2020, the division proposed the rule to the Water Quality Control Commission and they approved them! We have a web page dedicated to this effort. Below are some highlights of the proposed changes.


Cross-Connections:

  • Make failing to achieve an adequate distribution system survey ratio a Tier 3 violation. This is mostly due to the outstanding effort that water districts have made over the last few years of implementation. So many water systems have performed surveys of their distribution systems to the extent that the division now has confidence a very high percentage of systems have been surveyed.
  • Extend out the final compliance deadlines by a year for the rule given the major impact COVID had on assembly testing.
  • Extend the allowable window to repair the assembly from 60 days to 120 days once an assembly fails. 


Storage Tanks:

  • Allow two inspections per year before assessing a violation rather than the current four per year. This is primarily due to the outstanding performance of systems and the dozens of acceptable alternative schedules showing proper tank inspections twice a year adequately protect public health. However, the division still strongly recommends performing monthly or quarterly inspections as best practice.  
  • A single missed inspection will result in a Tier 3 violation rather than a Tier 2 violation. However, if a system does not complete a periodic inspection over an entire 12- month window, a Tier 2 violation is warranted because that length of time constitutes neglect of storage tanks.


Please check out the web page for more details. Any questions about that can go to Tyson Ingels, lead drinking water engineer at tyson.ingels@state.co.us. 


-Aqua Man


Thursday, August 13, 2020

New Toxic Algae Resources


It's the Season for Toxic Algae!

During summer months, most water treatment professionals are well aware of the challenges of algae in surface water bodies. They cause a myriad of issues relating to lake management and water aesthetics. Algal blooms cause many customer complaints and public outcry about water quality. However, in recent years, more awareness has been raised about possible immediate health risks from certain types of algae.

New Resources!

We have published a webpage with guidance on harmful algal toxins and what a utility can do about it. As we approach the height of algae season - please stay diligent in monitoring lakes and reservoirs for signs of harmful algae.



Friday, July 10, 2020

Storage tank, cross-connection control, public notice, and sanitary survey rulemaking information

Updated alternative proposal language


The department has posted documents to the stakeholder website showing the draft alternative proposal language that was discussed during the June 24, 2020 stakeholder meeting. This is located under the heading "July 15 Workgroup DRAFT Alternative Proposal" at the bottom of the page. It includes the changes discussed relating to periodic tank inspections and updates to the basis and purpose statements.

The department intends to submit this language to the Water Quality Control Commission on July 15, 2020. 

Comment Deadline: 
Monday July 13, 2020 at noon

Please email Tyson Ingels, Lead Drinking Water Engineer, with all comments by noon on Monday, July 13, 2020. Please visit the stakeholder website for information from previous stakeholder meetings. 

Upcoming stakeholder meeting

The department is hosting a final stakeholder meeting on the proposed changes to the storage tank, cross-connection control, public notice, and sanitary survey rules. 

Meeting - July 22, 2020, (1 - 2:30 p.m.)

The Zoom meeting will open at 12:30 p.m. so stakeholders have the opportunity to test functions beforehand. 
Online participation: Attend via Zoom
Call-in:  1-669-900-6833
Meeting ID:  846 2373 1238
Materials: Agenda and other materials will be available on the stakeholder website

Contact 



➽ Tyson Ingels, lead drinking water engineer

Wednesday, July 8, 2020

Emergency Response Plans

America's Water Infrastructure Act (AWIA)



Replacing vulnerability assessments


Many operators may remember conducting a vulnerability assessment back in 2002 as part of the Public Health Security and Bioterrorism Preparedness and Response Act. A lot has changed since then and many events have brought to light how vulnerable water systems really are and how much we take potable water for granted. Natural disasters, detection of elevated lead and the need to replace aging water infrastructure can all put safe water at risk. Congress decided to look closely at the condition of drinking water infrastructure and water quality along with the financial and technical challenges that many public water systems face today. 


Who is required to develop or update these plans?


In October of 2018 Congress enacted the America's Water Infrastructure Act (AWIA). As part of the AWIA, community drinking water systems serving more than 3,300 people are required to develop or update risk assessments and emergency response plans (ERPs). The AWIA specifies the components that the risk assessments and ERPs must address and establishes deadlines by which water systems must certify to EPA completion of the risk assessment and ERP. Submission deadlines of the certificates that the risk assessment and ERPs are complete have passed or are quickly approaching, as shown in the table below.

Certification Deadlines

 
 POPULATION SERVED   RISK ASSESSMENT PLAN  EMERGENCY RESPONSE PLAN 
 Greater than 100,000    March 31, 2020 by Sept. 30, 2020
 50,000 to 99,999 Dec. 31, 2020 by June 30, 2021
 3,301 to 49,999 June 30, 2021  by Dec. 20, 2021

Resources

EPA's AWIA - Risk Assessments and Emergency Response Plans

Information and trainings needed to complete a successful risk assessment and ERP, along with deadlines and how-to guidance.

Water Information Sharing and Analysis Center

Free webinars to educate operators and drinking water system owners on AWIA requirements.



➽ Tom Valenta, local assistance unit

Wednesday, July 1, 2020

Samplegeddon Results

Wrapping up Samplegeddon for 2019

Over the last year the department provided various updates through Aqua Talk articles regarding Samplegeddon – the year all nine-year, six-year, three-year, annual, six-month, quarterly, and monthly monitoring compliance schedules converged. While this convergence potentially created an increased sampling burden on many of our public water systems, it is necessary to ensure that safe drinking water is being provided to the citizens and visitors of Colorado. 

Because this occurrence happens just once every nine years, the department worked diligently throughout 2019 to remind water systems of their monitoring requirements. Now that Samplegeddon is over, here are some updates on the final compliance numbers and lessons learned.

Final Samplegeddon numbers


Based on the figure below, as of March 29, 2020: 
  • Overall, approximately 98% of all routine sampling requirements ending on December 31, 2019 were completed.
  • Out of the 15,088 sampling requirements, only 349 were not satisfied
  • In total, 1,795 monitoring and reporting violations were issued for sampling requirements in the monitoring period that ended on December 31, 2019. For certain sampling requirements such as total coliform, multiple violations may have been issued. Additionally, due to late reporting, violations may have been issued for sampling requirements that are now marked as complete. 


Figure 1: Sampling Requirements for All Schedules Ending December 31, 2019

Lessons learned and recommendations


To avoid potential violations and reduce processing times, the department recommends the following:
  • Collect and deliver samples to a certified laboratory early in your compliance period.
    • Many samples were collected at the end of the 2019 monitoring period. This caused an increase in demand for laboratory services and made it difficult for laboratories to process sample results prior to the January 10th submission deadline. Several samples, which were collected at the end of the monitoring period, were analyzed and reported over two months after the submission deadline. Submitting results late is not an acceptable practice for future monitoring periods and may result in violations. 
  • Collect gross alpha including uranium and combined uranium on the same day.
    • Collecting samples on the same day can prevent errors in sample collection and cuts back on our data processing time.
    • In order to be eligible to be subtracted in the gross alpha excluding uranium calculation, systems on a three-year, six-year, or nine-year monitoring schedule for gross alpha excluding uranium must collect the combined uranium sample within the gross alpha excluding uranium monitoring period and within 365 days of the gross alpha including uranium sample. In order to be eligible to be subtracted in the gross alpha excluding uranium calculation, systems on a quarterly monitoring schedule for gross alpha excluding uranium must collect the combined uranium sample within the same quarter as gross alpha including uranium. 
  • Check the monitoring schedules of seasonal systems and collect required samples prior to depressurization.
  • Fill out the chain of custody form for each sample bottle with the appropriate information (PWS ID, Facility ID, Sample PT ID, Collection Date, etc.) This will ensure that sample results are recorded correctly and automatically applied to the corresponding sampling requirement.
  • Ensure sample results are submitted in a timely manner – even if they are not due yet!
    • In some cases, reporting sample results long after they’ve been analyzed can result in violations. For example if a sample result is high enough to trigger increased monitoring, the supplier will be accountable for all monitoring periods in which they should have been on increased monitoring. Monitoring violations could be issued for all missed monitoring periods and compliance with the maximum contaminant level will be evaluated with the data received over the applicable monitoring periods – even if those quarters did not have data!

Closing Thoughts


Collecting water samples is critical to ensuring safe drinking water and protecting public health. It is impossible to know and, when necessary, improve the quality of our water supplies without sample collection. The department would like to thank water suppliers, operators, samplers, and laboratory analysts for contributing to an outstanding 98% compliance rate. This is something the department is very proud to be a part of. It could not have been achieved without the help of our tremendous partners. Bravo!


➽ Jamie Duvall, drinking water compliance assurance

Friday, April 17, 2020

COVID-19 Resources

Aqua Talk and COVID-19 updates



Thank you for your critical efforts to protect public health and the environment through your water utility work during this challenging time. Now, more than ever, water is a precious resource and your work is essential for everyone to survive.


Online Resources


The Department of Public Health and Environment has created a webpage to provide Colorado-specific resources for water professionals responding to different situations during the COVID-19 pandemic. These webpage resources include:


Aqua Talk schedule change


In response to COVID-19 the state is working diligently to adapt workforce assignments to maintain business continuity for the communities that rely on our services in these times. We are also regularly communicating with utilities about COVID-19 and related impacts. We are pausing our weekly Aqua Talk blog posts.

Moving forward, Aqua Talk posts will temporarily be limited to COVID-19 updates and time-sensitive deadlines or reminders regarding regulatory requirements. We will reach out when regular Aqua Talk articles resume.


Division Contact 


You can reach the Water Quality Control Division at cdphe.commentswqcd@state.co.us



➽ Heather Wilcox, communications and special projects

Wednesday, April 15, 2020

Coming Down the Pipe

It's that time of year! Consumer Confidence Reports are due



What is the Consumer Confidence Report?


Each year, all community public water system must distribute an annual consumer confidence report (CCR). The CCR provides information to water consumers about the quality of their drinking water and outlines any potential risks due to water quality or management of the drinking water supply. Water consumers can in turn make informed decisions to protect their health and the health of their family. 


Distribution and Reporting Deadline


  • The annual CCR must be distributed to water consumers by June 30 each year.
  • A sample copy of the CCR and the associated certificate of delivery form must be submitted to the department by June 30, 2020.


Tips for Successful Completion and Distribution of your CCR


  • Review the department’s Consumer Confidence Rule page for CCR guidance, templates, and frequently asked questions (FAQ).
  • Use the department-generated draft CCR on the Consumer Confidence Rule page. The department generates draft CCRs for each community water system in late-February to early-March each year. 
  • Be sure to review all yellow highlighted text and add information to the highlighted sections, as applicable. CCRs that are missing information required to be filled in by the water system, including an explanation of violations and significant deficiencies, will be considered incomplete by the department. Systems may incur violations for late or incomplete reports. 
  • If your system used purchased water last year, ensure all applicable water quality data from the wholesale system(s) is included with your CCR.
  • If using the CCR to meet public notice requirements (I.e., for a drinking water violation), you must use a direct delivery method to distribute the CCR. Direct delivery includes hard copy delivery (mail or door-to-door) or direct electronic delivery that meets department approved guidance. 
  • Distribute your CCRs early to avoid a late reporting violation.
  • If you have any questions that are not answered on the CCR FAQ, please contact your drinking water compliance specialist.


➽ Haley Orahood, drinking water compliance assurance