Herriman City Support

Water Quality Report

Overview

This 2024 Drinking Water Quality Report, or Consumer Confidence Report, gives an accounting of the water quality and services Herriman City delivers every day. Herriman City is committed to providing a safe and dependable drinking water supply. This report details where your water comes from, how it’s treated, what it contains, and how it compares to state and federal standards.

If you have any questions about this report or your water utility, contact the Herriman City Water Department at 801-446-5323 or visit the Water Department's webpage..



Where Herriman’s Water Comes From

Herriman City provides water from both ground and surface sources. These include:

  • Five wells
  • One spring
  • Jordan Valley Water Conservancy District
  • Bluffdale City


Lead and Copper Information

Corrosion of household plumbing, fittings, and fixtures may cause metals such as lead and copper to enter drinking water. Herriman City conducts lead and copper tap sampling every three years at selected locations to monitor corrosion levels.

Service Line Inventory

Herriman City has completed an initial lead service line inventory, documenting materials used to connect water mains to homes and buildings. The inventory is publicly available at herriman.gov/water-line-inventory.



Drinking Water Source Protection

Herriman City maintains a Drinking Water Source Protection Plan, which identifies:

  • Source protection zones
  • Potential contamination sources (e.g., septic systems, roads, industrial areas)
  • Management strategies to reduce contamination risks

Herriman's water sources are rated as having a medium level of susceptibility. To view the plan or ask questions, please contact the Water Department.



Cross Connections and Water Safety

A cross connection is an unintended link between drinking water and potential contaminants. Common examples include:

  • Garden hoses lying in puddles
  • Lawn sprinkler systems after applying fertilizers or pesticides
  • Improper connections to a secondary (untreated) water line

Improper connections can compromise water quality and pose health risks. Do not install or allow unapproved plumbing connections at home. Contact the City for information on how to protect the water supply.




2024 Water Quality Test Results

Water Testing and Monitoring

Herriman City regularly tests its drinking water as required by federal and Utah state law. These tests measure a range of potential contaminants. While all drinking water sources may contain naturally occurring substances, they are generally not harmful at low levels. Removing 100% of contaminants is often unnecessary and cost-prohibitive.

Test Results

The following table shows the results of 2024 monitoring, including key indicators from prior years as required. All contaminants were within regulatory limits.

Contaminant Violation (Y/N) Level Detected
(Range Low-to-High or ND)
Unit MCLG MCL Date Sampled Likely Source of Contamination
Microbiological Contaminants
Total Coliform BacteriaNNDN/A0Presence of coliform bacteria in 5% of monthly samples2024Naturally present in the environment
Fecal coliform and E. coliNNDN/A0If a routine sample and repeat sample are total coliform positive, and one is also fecal coliform or E. coli positive2024Human and animal fecal waste
Turbidity for Surface WaterN0.26NTUN/A0.5 in at least 95% of the samples and must never exceed 5.02024Soil runoff (highest single measurement & the lowest monthly percentage of samples meeting the turbidity limits)
Inorganic Contaminants
ArsenicN1-4ppb0102022Erosion of natural deposits; runoff from orchards; runoff from glass and electronics production wastes
BariumN1-214ppb200020002022Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits
Carbon, Total Organic (TOC)N1-3ppmN/ATT2024Naturally present in the environment
Copper
a. (90% results)
b. (# of sites that exceed the AL)
Na. 0.331
b. 0
ppm1.3AL=1.32023Corrosion of household plumbing systems; erosion of natural deposits
CyanideN0-4ppb2002002024Discharge from steel/metal factories; discharge from plastic and fertilizer factories
FluorideN01-277ppb400040002024Erosion of natural deposits; water additive which promotes strong teeth; discharge from fertilizer and aluminum factories
Lead
a. (90% results)
b. (# of sites that exceed the AL)
Na.4
b. 0
ppb0AL=152023Corrosion of household plumbing systems; erosion of natural deposits
NickelNND-7ppb1001002022Erosion of natural deposits; discharge from refineries and factories; runoff from landfills; runoff from cropland
Nitrate (as Nitrogen)N2-4ppm10102024Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits
SeleniumN1-8ppb50502022Discharge from petroleum and metal refineries; erosion of natural deposits; discharge from mines
SodiumN8-99ppmNone set by EPANone set by EPA2024Erosion of natural deposits; discharge from refineries and factories; runoff from landfills
SulfateN21-385ppm100010002024Erosion of natural deposits; discharge from refineries and factories; runoff from landfills; runoff from cropland
TDS (Total Dissolved Solids)N260-1632ppm200020002022Erosion of natural deposits
Disinfection By-products
TTHM (Total Trihalomethanes)N6.5-65ppb0802024By-product of drinking water disinfection
Haloacetic AcidsN2-39ppb0602024By-product of drinking water disinfection
Radioactive Contaminants
Alpha emittersN1-10pCi/L0152022Erosion of natural deposits
Combined RadiumN1pCi/L052022Erosion of natural deposits
Radium 226N0.05-0.26pCi/L052022Erosion of natural deposits
Radium 228N0.36-1pCi/L052022Erosion of natural deposits
UraniumN4-9ppb0302024Erosion of natural deposits


Understanding the Terms

  • Non-Detects (ND) - laboratory analysis indicates that the constituent is not present.
  • ND/Low - High - For water systems that have multiple sources of water, the Utah Division of Drinking Water has given water systems the option of listing the test results of the constituents in one table, instead of multiple tables. To accomplish this, the lowest and highest values detected in the multiple sources are recorded in the same space in the report table.
  • Parts per million (ppm) or Milligrams per liter (mg/L) - one part per million corresponds to one minute in two years or a single penny in $10,000.
  • Parts per billion (ppb) or Micrograms per liter (µg/L) - one part per billion corresponds to one minute in 2,000 years, or a single penny in $10,000,000.
  • Parts per trillion (ppt) or Nanograms per liter (ng/L) - one part per trillion corresponds to one minute in 2,000,000 years, or a single penny in $10,000,000,000.
  • Parts per quadrillion (ppq) or Picograms per liter (pg/L) - one part per quadrillion corresponds to one minute in 2,000,000,000 years, or one penny in $10,000,000,000,000.
  • Picocuries per liter (pCi/L) - a measure of the radioactivity in water.
  • Millirems per year (mrem/yr) - measure of radiation absorbed by the body.
  • Million fibers per liter (MFL) - measure of asbestos fibers longer than 10 micrometers.
  • Nephelometric Turbidity Unit (NTU) - measure of water clarity; turbidity above 5 NTU is just noticeable to the average person.
  • Action Level (AL) - the concentration of a contaminant which, if exceeded, triggers treatment or other requirements that a water system must follow.
  • Treatment Technique (TT) - a required process intended to reduce the level of a contaminant in drinking water.
  • Maximum Contaminant Level (MCL) - the highest level of a contaminant allowed in drinking water. MCLs are set as close to MCLGs as feasible using the best available treatment technology.
  • Maximum Contaminant Level Goal (MCLG) - the level of a contaminant in drinking water below which there is no known or expected risk to health; allows for a margin of safety.
  • Maximum Residual Disinfectant Level (MRDL) - the highest level of a disinfectant allowed in drinking water. There is convincing evidence that the addition of a disinfectant is necessary for the control of microbial contaminants.
  • Maximum Residual Disinfectant Level Goal (MRDLG) - the level of a drinking water disinfectant below which there is no known or expected risk to health. MRDLGs do not reflect the benefits of disinfectants used to control microbial contaminants.
  • Date - because of required sampling time frames (e.g., yearly, every 3, 4, or 6 years), sampling dates may appear outdated.
  • Waivers (W) - some water systems receive waivers exempting them from sampling certain chemicals when those chemicals are not used or stored near drinking-water sources; waivers tie into Drinking Water Source Protection Plans.


Why Are There Contaminants in My Drinking Water?

Drinking water—whether it comes from a city tap, a household well, or a commercial bottling plant—begins as surface- or ground-water. As it moves over land or seeps through soil and rock, it can dissolve naturally occurring minerals, pick up radionuclides, and come into contact with substances introduced by people and animals. The resulting trace contaminants are not unusual and do not automatically signal a health hazard. To keep risk low, the U.S. Environmental Protection Agency (EPA) sets legal limits for public water systems, and the Food and Drug Administration (FDA) does the same for bottled water. You can learn more from the EPA’s Safe Drinking Water Hotline at 800-426-4791.

Common contaminant categories include:

  • Microbial contaminants – viruses or bacteria from sewage treatment plants, septic systems, livestock operations, and wildlife.
  • Inorganic contaminants – salts and metals that occur naturally or enter water through urban storm-water runoff, industrial discharge, oil and gas production, mining, or farming.
  • Pesticides and herbicides – chemicals used in agriculture, landscaping, and residential yards that can wash into streams or soak into groundwater.
  • Organic chemical contaminants – synthetic and volatile compounds generated by industrial processes, petroleum production, gas stations, and septic systems.
  • Radioactive contaminants – elements released from natural deposits, mining activities, or oil and gas production.

Regulated treatment, extensive monitoring, and clear public reporting—such as this Consumer Confidence Report—help ensure that Herriman’s drinking water remains well within EPA standards and safe for everyday use.



Lead Exposure Risks and Prevention

Lead can cause serious health issues, especially for pregnant women and young children. While Herriman City provides safe drinking water, lead typically comes from plumbing materials inside buildings.

What you can do:

  • Run tap water for 30 seconds to 2 minutes if the water has been sitting for several hours
  • Use a filter to reduce lead. The City recommends a filter certified by the American National Standards Institute
  • Inspect and remove lead components from home plumbing

If you're concerned, you may wish to test your water. Call 801-446-5323 or visit www.epa.gov/safewater/lead for more information.



Vulnerable Populations

Certain individuals may be more sensitive to contaminants in drinking water. These include:

  • People undergoing chemotherapy
  • Individuals with organ transplants
  • People with HIV/AIDS or other immune disorders
  • The elderly and infants

These individuals should seek guidance from healthcare providers. Additional guidelines and information are available from the Safe Drinking Water Hotline (800-426-4791)



Protecting Our Shared Water Resources

Herriman City works around the clock to provide clean, safe drinking water to every tap. Residents are encouraged to help protect our water sources—they are essential to the health and future of our community.