Is Mulberry, CO Tap Water Safe to Drink?
Graded B-, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
73/100
waterverge.com Mulberry, CO — Water Quality Report
Mulberry's drinking water received a grade of B- (73 out of 100), indicating fair water quality. The city's 1 water system serves approximately 764 residents using groundwater.
Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 30 violations on record, including 1 health-based violation. 8 remain unresolved.
What to know about Mulberry's water
Mulberry ranks #111 out of 246 cities in Colorado for water quality, placing it mid-range in the state.
Mulberry relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Mulberry may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 14 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Mulberry, CO water safe to drink?
Mulberry's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (73/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 764 residents using groundwater (wells).
Recent water quality updates for Mulberry
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Mulberry's water quality assessment. Grade: B- (73/100).
Contaminants: E. COLI, Revised Total Coliform Rule.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Revised Total Coliform Rule, E. COLI.
Key contaminant findings
Based on the most recent EPA sampling data for Mulberry's water supply.
Well within EPA limits.
Violation history
Mulberry's water system has 30 total violations on record, including 1 health-based violation. 8 remain unresolved. 14 violations were issued in the last 5 years.
Where does Mulberry's water come from?
Mulberry's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 764 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Lee Gulch (river), Dutch (river), South Platte River Below Union Ave, (river), Little Dry Creek Nr Arapahoe (river), Little Dry Creek Above Englewood (river).
What Mulberry residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Mulberry's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Mulberry compares by contaminant
Explore where Mulberry ranks among all Colorado cities for specific contaminants.
Water source & infrastructure
Where Mulberry's water comes from
Mulberry's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by private ownership and serves approximately 764 people through 1 water system.
Water bodies near Mulberry
Mulberry is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Mulberry
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SPRING HILL MHP | FL6534880 | 764 | GW |
How Mulberry compares
Full Colorado rankings →Mulberry's score of 73/100 is above the average of 45/100 among major Colorado cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Colorado rankings →About Mulberry, CO
Wikipedia →Denver is the capital and most populous city of the U.S. state of Colorado. Officially a consolidated city and county, it is located in the South Platte River valley on the western edge of the High Plains, and is just east of the Front Range of the Rocky Mountains (Rockies). Denver is the 19th-most populous city in the United States and the fifth-most populous state capital, with a population of 715,522 at the 2020 census. The ten-county Denver metropolitan area, with over 3.05 million residents, is the 19th-largest metropolitan area in the country and functions as the economic and cultural center of the broader Front Range Urban Corridor.
Learn more about your water
Guides and resources related to Mulberry's water quality findings.
Explore water quality across Polk
Frequently asked questions
Is Mulberry, CO tap water safe to drink?
Mulberry's water quality earned a grade of B- (73/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #111 out of 246 cities tested in Colorado.
What contaminants are in Mulberry's water?
Lead was measured at 1.0 ppb (90th percentile). 30 violations are on record.
How is Mulberry's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Mulberry?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Mulberry's water come from?
Mulberry's water is sourced from Groundwater. The city has 1 water system serving approximately 764 residents.
What health violations has Mulberry's water system had?
Mulberry has 1 health-based violation on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.
Is Mulberry's groundwater at risk of contamination?
Mulberry uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 30 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Mulberry's water compare to other cities?
Mulberry ranks #111 out of 246 cities in Colorado (better than 55% of state cities) and #10196 out of 15744 cities nationally (35th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Mulberry's small water system affect quality?
Mulberry's system serves approximately 764 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 30 violations on record.