Mobile Home Park Water Quality Testing Plan | Colorado Department of Public Health and Environment

Purpose

This document outlines the Colorado Department of Public Health and Environment’s overall approach to testing drinking water in mobile home parks across the state.

Background

CRS Title 25. Article 8. Part 10 Mobile Home Water Quality (§§ 25-8-1001 - 25-8-1008) tasks the department to develop a specific sampling and testing plan for each park.
We will review this testing plan periodically to ensure its effectiveness and compliance with the law. This plan intends to help implement the testing program to protect clean water in Colorado’s mobile home parks. This plan does not create a new authority for the department beyond what exists under current law. Site-specific plans may vary based on the particular needs of each park.

Acronym List

CDPHE - Colorado Department of Public Health and Environment.
EPA - Environmental Protection Agency.
MCL - Maximum Contaminant Level.
SMCL - Secondary Maximum Contaminant Level.

Definitions

Park: Mobile Home Park as defined in the Mobile Home Park Act.
Consecutive connection: a water service connection, often at a master meter, between a wholesaler and a water system.
Distribution system: the infrastructure that carries finished drinking water to consumers.
Entry point: a location before or at the first customer representing finished drinking water entering the distribution system.
Water supply: the supply of finished drinking water served to a community.
Regulation 11: Colorado Primary Drinking Water Regulations.

Water quality testing plan

Parameters we will test for at all parks.

**Minimum testing at all parks**
Parameter	Entry point/Consecutive connection	Distribution system
pH	X	X
Total Dissolved Solids	X	X
Iron	X	X
Manganese	X	X
Color	X	X
Odor	X	X
Total hardness	X	X
Calcium	X	X
Sulfate	X
Fluoride	X
Chloride	X

**Testing at parks that are not public water systems**
Parameter	Entry point/Consecutive connection	Distribution system
Total coliform with chlorine residual	X	X
Disinfection byproducts¹	X	X
Lead and copper²	X	X

¹Disinfection Byproducts (DBPs) include Total Trihalomethanes (TTHM) and Haloacetic Acids (HAA5).

²We will collect Distribution System Lead and Copper samples from residential taps, with permission from residents. The department will attempt to collect 5 samples at each park.

**Testing at parks with unregulated or unknown sources**
Parameter	Entry point/Consecutive connection
Inorganic Chemicals	X
Synthetic Organic Chemicals	X
Volatile Organic Chemicals	X
Radionuclides	X
Nitrate and Nitrite	X

**Testing at parks without per- and polyfluoroalkyl substances (PFAS) data**
Parameter	Entry point/Consecutive connection
PFAS³	X

³We will not test for PFAS in parks that purchase water from a public drinking water system that has already tested for PFAS.