Sean LieskeSean Lieske

Drinking Water Compliance Team LeaderDrinking Water Compliance Team Leader

Compliance Assurance & Data Management Unit Compliance Assurance & Data Management Unit

Water Quality Control DivisionWater Quality Control Division

303-692-3505303-692-3505

Colorado Department Public Health & Environment

Regulation Promulgation

2005 20072006 2008

EPA Promulgates Regulation

Regulation becomes effective

States Required to

have Primacy

State Rule Adoption Process

Authority: CRS 25-1.5-201 - 208

Limitation: §25-1.5-202(2) stipulates that our regulations can be no more stringent than the federal standards promulgated pursuant to the “Safe Drinking Water Act”

Colorado Board of Health

Water Quality Control Commission

State Rule Adoption Process

State Rule Adoption Process

Request forRule

Making to BOH

Rule Making

Hearing at BOH

Nov Dec Jan

Regulation becomes effective

Comment Period

Feb March

Water Quality Control Commission Process?

State Board of Health Process

Colorado Primary Drinking Water Regulations

• New Regulations -1) Stage 2 Disinfection Byproduct Rule

Promulgated by EPA - January 20062) Long Term 2 Enhanced Surface Water Treatment Rule

Promulgated by EPA – January 20063) Groundwater Rule

Promulgated by EPA - ?

Public Water SystemPublic Water System:

Has at least 15 service connections or serves 25 or more persons for at least 60

days per year

Community Water System: at least 15 service connections or serves 25 or more persons per year

Non-Community Water System:serves at least 25 or more people for

more than 60 days per year

TransientNon-Community Water System:serves at least 25 different persons

for 60 days or more each year

Non- TransientNon-Community Water System:

at least 25 of the same persons for 6 months or more each year

Types of Public Water Systems

Consecutive Water System (State)Means a public water system that receives, through purchase or other means, treated water from one or more supply systems and distributes only that water through a distribution system that it owns. These systems may provide disinfection but no other treatment.

Types of Public Water Systems

Consecutive Water System (EPA)A public water system that receives some or all of its finished water from one or more wholesale systems. Delivery may be through a direct connection or through the distribution system of one or more consecutive systems.

Consecutive Systems

Combined DistributionSystem

Treatment Plant

River

Wholesale System100,000

Consecutive System10,000

Consecutive System50,000

System A System B System C

100,000 100,000 100,000

Schedule based on population of:

TreatmentPlant

River

Combined Distribution System Example

System ASystem serving

12,000

System B System serving 60,000

System C System serving

500

Who treats and

sells water to. . .

Sells

wat

er to

. . .

All 3 systems must comply based on the schedule of System B

(Schedule 2)