Historical Compliance Records CO 4 HEALTH VIOLATIONS

Larkspur Town of

EPA ID: CO0118030 ยท 275 people served ยท 1 ZIP code

ZipCheckup's reading of EPA SDWIS for Larkspur Town of (CO0118030): 4 past health-based violations, since resolved. 28 total violations across five years at Larkspur Town of - every finding closed, utility compliant today, 275 served.

Data: EPA SDWIS

275
People Served
1
ZIP Code Served
28
Violations (5yr)
Groundwater
Water Source
0.001 mg/L
Max Lead Level
23
Contaminants Flagged
$827K
Median Home Value in Service Area

Service Area Map

Coverage area for Larkspur Town of Source: EPA SDWIS service area boundaries.

Service area boundary

Service Area Demographics

$153,368
Median Household Income
5,950
Service Area Population
0%
Disadvantaged Population
10th
Poverty Percentile
10th
Energy Burden Percentile
31%
Pre-1986 Housing

The Larkspur Town of serves a community with a median household income of $153,368 and an estimated 5,950 residents across its service area.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Larkspur Town of's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Moderate Risk
Source Contamination Risk
40th
Wastewater Discharge Proximity
50th
Superfund Site Proximity

Infrastructure Risk

33 yr
Avg Pipe Age
Copper
Pipe Material
37 yr
Est. Remaining Life
Stable
Decay Status
Installed 47% of expected lifespan used End of life

Detected Contaminants

How Larkspur Town of compares to EPA limits

PFOA 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.000004 mg/L
PFNA 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.00001 mg/L
Chlorodibromomethane 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.002 mg/L
Liver cancer, brain cancer (known carcinogen)
Bromate 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.01 mg/L
Monochloroacetic Acid 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.06 mg/L

What This Means For You

PFOA at 1 mg/L exceeds the EPA maximum of 0.000004 mg/L.

PFNA at 1 mg/L exceeds the EPA maximum of 0.00001 mg/L.

Chlorodibromomethane at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.

Bromate at 1 mg/L exceeds the EPA maximum of 0.01 mg/L.

Monochloroacetic Acid at 1 mg/L exceeds the EPA maximum of 0.06 mg/L.

Chlorodibromomethane was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.

Find a certified water filter โ†’

Comparable Water Systems

Similar-sized systems in Colorado

1 violation
0 violations
0 violations
1 violation
3 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Radon Mitigation Water Filtration
Flood Insurance $1,800
Radon Mitigation $1,200
Water Filtration $600
Total Estimated Cost $3,600

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $1,500

Annual per household (CDC est.)

Estimated Cumulative Cost Per Household

5 years
$7,500
10 years
$15,000
20 years
$30,000

Compare: Estimated remediation cost is $3,600 (one-time) vs. $15,000 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Larkspur Town of (EPA ID: CO0118030) is a community water system in Colorado that serves approximately 275 people from groundwater sources.

This system serves ZIP code 80118 in Larkspur.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 28 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 28 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
February 4, 2024 Lead and Copper Rule Non-health-based Resolved
October 1, 2023 Gross Beta Health-based Resolved
July 1, 2023 Gross Beta Health-based Resolved
April 16, 2023 Lead and Copper Rule Non-health-based Resolved
April 1, 2023 Gross Beta Health-based Resolved
January 1, 2023 Gross Beta Health-based Resolved
January 1, 2023 PFOA Non-health-based Resolved
January 1, 2023 PFNA Non-health-based Resolved
January 1, 2023 Monochloroacetic Acid Non-health-based Resolved
January 1, 2023 Dichloroacetic Acid Non-health-based Resolved
January 1, 2023 Bromodichloromethane Non-health-based Resolved
January 1, 2023 Dibromochloromethane Non-health-based Resolved
January 1, 2023 Bromoform Non-health-based Resolved
January 1, 2023 Chlorodibromomethane Non-health-based Resolved
January 1, 2023 Trichloroacetic Acid Non-health-based Resolved
January 1, 2023 Monobromoacetic Acid Non-health-based Resolved
January 1, 2023 Dibromoacetic Acid Non-health-based Resolved
January 1, 2023 Bromochloroacetic Acid Non-health-based Resolved
January 1, 2023 Bromodichloroacetic Acid Non-health-based Resolved
January 1, 2023 Chlorodibromoacetic Acid Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Gross Beta Radionuclides 5 Yes
Lead and Copper Rule Treatment Failure 2 No
PFOA PFAS 1 No
PFNA PFAS 1 No
Monochloroacetic Acid Disinfection Byproducts 1 No
Dichloroacetic Acid Disinfection Byproducts 1 No
Bromodichloromethane Disinfection Byproducts 1 No
Dibromochloromethane Disinfection Byproducts 1 No
Bromoform Disinfection Byproducts 1 No
Chlorodibromomethane Disinfection Byproducts 1 No
Trichloroacetic Acid Disinfection Byproducts 1 No
Monobromoacetic Acid Disinfection Byproducts 1 No
Dibromoacetic Acid Disinfection Byproducts 1 No
Bromochloroacetic Acid Disinfection Byproducts 1 No
Bromodichloroacetic Acid Disinfection Byproducts 1 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0.001 mg/L No N/A

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” this helps flush lead from your pipes.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CO or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Larkspur Town of (CO0118030) on EPA.gov.

Frequently Asked Questions

Is Larkspur Town of water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Larkspur Town of; its 28 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Larkspur Town of serve?

Larkspur Town of serves approximately 275 people across 1 ZIP code in Colorado.

Where does Larkspur Town of get its water?

The primary water source is groundwater.

Frequently Asked Questions

What contaminants are in Larkspur Town of's water?
Detected contaminants include PFOA, PFNA, Chlorodibromomethane, Bromate. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 5 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Larkspur Town of serve?
Larkspur Town of serves approximately 275 people with drinking water across 1 ZIP code.
What is Larkspur Town of's water source?
Larkspur Town of draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Larkspur Town of's water?
The maximum detected lead level is 0.001 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Larkspur Town of's service area?
The Larkspur Town of service area has a median household income of $153,368. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Larkspur Town of get its water?
Larkspur Town of's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on available data, the source contamination risk is moderate.

How to cite this page

APA ZipCheckup. (n.d.). Larkspur Town of (CO): 4 Health Violations. https://zipcheckup.com/water-system/co0118030/
BibTeX
@misc{zipcheckup-water-system-co0118030,
  author = {{ZipCheckup}},
  title  = {{Larkspur Town of (CO): 4 Health Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/co0118030/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Larkspur Town of (EPA ID: CO0118030) - request the latest Consumer Confidence Report or ask about specific contaminants.

Home Water Systems Colorado Larkspur Town of

Get safety alerts for Larkspur Town of, Colorado

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Violations found - check filter options Free tool - no phone call required.