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WaterVerge

Water quality report · updated Jul 2026

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 ↓

0 contaminants over a legal limit
1.0 ppb lead, 90th percentile · low
8 unresolved violations
764 people served by 1 water system

PWSID FL6534880 · moderate data confidence · private utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
B 73 / 100

#110 of 244Colorado cities
How we grade →

01The verdict: is Mulberry water safe?

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).

The concern

8 unresolved violations on record

EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 1.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

14 violations in the last five years

Recent compliance history is the best predictor of future problems — the year-by-year record is below.

See the record ↓

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.

Mulberry ranks #110 out of 244 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.

How the 73/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
26 / 45D
Lead & CopperLead at 1.0 ppb (90th percentile).
20 / 20A
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
5 / 10D
Source RiskWater source: Groundwater.
5 / 5A

02What's in Mulberry's water

Every contaminant flagged in Mulberry, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
1 contaminant tested under EPA SDWIS, LCR and UCMR programs · 1 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Mulberry's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 30 violations on record, including 1 health-based violation. 8 remain unresolved.

3 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

1 health-based in 10 yrs 16 monitoring & paperwork 7 still unresolved
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Mulberry's water quality assessment. Grade: B- (73/100).
Violation2 drinking water violations recordedContaminants: E. COLI, Revised Total Coliform Rule.Resolved
Violation2 drinking water violations recorded1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.Open
Violation2 drinking water violations recordedContaminants: Revised Total Coliform Rule, E. COLI.Resolved
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1993 — 2 ppb1994 — 8 ppb1995 — 1 ppb1996 — 3 ppb1999 — 0 ppb2002 — 4 ppb2006 — 5 ppb2009 — 0 ppb2012 — 0 ppb2015 — 4.4 ppb2018 — 0 ppb2021 — 1 ppb2024 — 1 ppb2119931996200620152024

Down 1 ppb since 1993. Latest reading: 1 ppb (2024) — 7% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Mulberry's water comes from

Mulberry's drinking water is drawn from underground aquifers through wells.

Source

Groundwater

Underground aquifers reached by wells — naturally filtered, but can carry minerals like arsenic and nitrate.

Treatment

Local treatment

Groundwater generally needs less treatment — typically disinfection and, where needed, mineral removal.

Distribution

1 system

1 water system, operated under private ownership.

Delivery

764 people

Residents served across Mulberry's service area.

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.

System namePWSIDPopulationSource
SPRING HILL MHP FL6534880 764 Groundwater

Water bodies near Mulberry

Lee Gulch · river Dutch · river South Platte River Below Union Ave, · river Little Dry Creek Nr Arapahoe · river Little Dry Creek Above Englewood · river

These water bodies shape the regional watershed and can indirectly affect groundwater quality.

05How Mulberry compares

Scores for nearby Colorado cities on one line, with the average marked.

Mulberry (this city)
73 · B-
Fort Collins
46.8 · D
Denver
39.6 · F
Aurora
38.1 · F
Lakewood
36.9 · F

dashed line = Colorado average (45/100)

Mulberry scores 73/100above the Colorado average of 45/100. It outscores 9 of 10 nearby cities. Full Colorado rankings →

Polk water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

06What to do at home

Steps matched to what testing actually found in Mulberry's water — not generic advice.

Extra protection

A basic carbon filter still helps

Mulberry's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Mulberry alerts

We refresh EPA data monthly and surface new violations, advisories, and boil-water notices for your county on this page.

All water alerts →

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 #110 out of 244 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 #110 out of 244 cities in Colorado (better than 55% of state cities) and #10067 out of 15382 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.

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About Mulberry, CO: 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. Wikipedia → Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.