Berthoud Tap Water Quality Report
Berthoud's water has 4 contaminants above EPA MCLGs. We recommend using a certified water filter.
No single water system serves most of Berthoud (13,648 residents, Census 2024 estimate). Its large systems are BERTHOUD TOWN OF (EPA counts 7,540 people served, about 55% of Berthoud's population); LITTLE THOMPSON WD (EPA counts 21,779 people served, more than Berthoud's population). EPA's counts may include people served outside Berthoud, so each share is at most that. Check which one bills you: each system's figures are shown separately below.
- BERTHOUD TOWN OF: 153 contaminants tested, 4 above EPA MCLGs; health-based violations since 2020: 0
- LITTLE THOMPSON WD: 36 contaminants tested, 3 above EPA MCLGs; health-based violations since 2020: 0
1 other system serving parts of Berthoud reports results above guidelines โ check which system bills you. SERENITY RIDGE VAULT CONNECTION (2 above guidelines)
Other systems listed for Berthoud with results above guidelines: LITTLE THOMPSON WD (3 above guidelines)
Water systems
2 large systems
Residents (Census 2024)
13,648
Health-based violations since 2020
0
BERTHOUD TOWN OF. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Oct 2025 ยท BERTHOUD TOWN OF
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Berthoud Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Berthoud's water has 4 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Berthoud's water.
BERTHOUD TOWN OF, Berthoud's water system, serves 7,540 people. 1 other system also serves parts of Berthoud. 1 other system is listed for Berthoud. Each system's results are listed under its own name, never added to BERTHOUD TOWN OF's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for BERTHOUD TOWN OF is from Oct 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Colorado
Berthoud Water Service Areas

What these numbers actually mean for Berthoud, CO
We read Berthoud, COโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 4 contaminants above EPA MCLGs and 7 contaminants with an EPA health goal detected in some samples (no level on file)
- 112 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Berthoud
Based on Berthoud's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

Solventum Purification Inc.
3MRO401
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity

Solventum Purification Inc.
3MRO301
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity

Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium

Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with โnormalโ faster faucet flow
Removes 1 contaminants:
Verify Your Water Quality with Independent Testing
With 4 contaminants above EPA MCLGs and 7 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 4 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Berthoud's water readings can explain
Utility-reported data for Berthoud includes a chlorine-based disinfectant โ the readings behind these common tap water questions. We publish a city-level hardness figure for Berthoud, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Berthoud? Public-water results do not apply to private wells. See Larimer County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Berthoud
Berthoud's tap water measures 2.3 grains per gallon (39.2 mg/L) โ soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for 2.3 gpg water in Berthoud โ equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs โ equipment, installation labour and ten-year ownership, each separated out. For Colorado as a whole, read water softener cost in Colorado โ priced against the plumber wage published for the state.
Frequently Asked Questions About Berthoud Tap Water
Berthoud's water has 4 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Berthoud's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach BERTHOUD TOWN OF. For a problem with your water now (discolored water, no water, low pressure, a leak), contact BERTHOUD TOWN OF directly.
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