Lead in Larimer Water: Understanding Household Impact When Existing Systems Struggle

According to the EPA SDWIS record for the Loveland City of public water system serving Larimer County, the most recent lead testing (sampled end of 2025) shows a 90th percentile lead level of 0.0033 mg/L measured at the tap within the distribution system. This is a plumbing-related measurement, not a concentration in the source water itself, which is surface water.

Which Fixtures, Appliances, or Processes Are Affected First and Why?

Lead detected in water often originates from plumbing materials such as solder, pipes, or fixtures rather than the water source. Therefore, the first points that typically show signs related to lead are older faucets, kitchen taps used for drinking and cooking, and appliances connected to those fixtures. Appliances relying directly on municipal supply lines, such as ice makers or coffee machines, can also be affected if the incoming water interacts with lead components. Since lead enters water primarily through contact with plumbing inside the building, effects concentrate at these points.

What Do 'Detected', 'Median', and 'Range' Mean in the Sampling Record on This Page?

The EPA record shows a 90th percentile lead concentration, meaning that 90% of tap samples collected were at or below 0.0033 mg/L. This value is a statistical measure, not a direct statement about any one household’s water. 'Detected' means the instrument found measurable lead, but it does not indicate a violation or unsafe condition. Median would indicate the middle value of a dataset, but in this record only the 90th percentile is reported. Range, which would show the lowest to highest values found, is not provided here.

What Changes for a Large Household, a Second Home, or a Seasonal Property?

For households with many residents or high water usage, or those who use the property seasonally, lead levels and filtration needs can differ. Larger households may find that existing water equipment that once managed lead adequately no longer keeps up with demand, as water flow and plumbing interactions increase. Seasonal homes might experience changes in water chemistry after periods of stagnation, potentially affecting lead leaching. In such cases, monitoring and adjusting treatment capacity or technology become important steps.

How Do Public-System Records Differ from Private-Well Testing in What They Establish?

Public water system records, such as those from Loveland City's supply in Larimer County, represent aggregated data from multiple distribution points and reflect conditions in the community’s collective plumbing and treatment processes. This data does not assess individual homes' water quality, where plumbing materials and conditions may vary. Private wells require separate testing to determine lead presence, as they are not included in municipal monitoring. Homeowners should consider testing their own water if concerned.

When existing equipment shows signs of not keeping up with lead reduction demands, a reliable choice to address household lead concerns is the C-Series Lead in Water Filter. This system ships ready to configure and is designed to reduce lead effectively at household points of use, complementing the municipal water system’s treatment.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2025-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA SDWIS record for LOVELAND CITY OF (CO0135485), surface water supply, serving 91077 people: 0 health-based violations of 3 total; lead 90th percentile 0.0033 mg/L