CITY REPORT CO

South Fork, CO: 8 Violations — 79/100 (2026)

1 ZIP code · 4 water systems · Updated 2026-06-03

Based on current monitoring, South Fork holds an above-average drinking water safety record for CO — violations are infrequent and typically minor when they do appear.

How South Fork Compares

South Fork79/100
Colorado avg60/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
4
Water Systems
1
ZIPs with Violations
B · 79
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$409K
Median Home Value
$2,200
Est. Remediation (0.5% of home value)

Key Facts for South Fork Residents

  • Your city's water systems recorded 8 violations in the past 5 years.
  • Average lead level: 0.002 mg/L.
  • Homes built before 1986: 39% — older plumbing may contain lead solder.
  • Estimated remediation: $2,200 per household.
  • CDC health risk index: 12.32 — above typical levels.

South Fork's Water Providers

Throughout South Fork, CO, water comes from one of 3 primary utilities out of 4 total systems — independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.

South Fork West Municipal Town of
Serves ~566 people · 8 violations
79
/100
Rio Grande Water Company
Serves ~265 people · 8 violations
79
/100
Riviere Estates
Serves ~211 people · 8 violations
79
/100

Overview

We track water quality and home safety data for 1 ZIP code in South Fork, Colorado, covering 4 community water systems serving approximately 1,259 people.

1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for South Fork: B (79/100)

The score combines three factors:

Factor What It Measures
Water Quality EPA violations and compliance history
Lead Levels 90th percentile lead concentration vs EPA action level
Radon Risk EPA radon zone classification

Water Sources

South Fork water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0020 mg/L (EPA action level: 0.015 mg/L)
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Consumer Confidence Report Rule Reporting 4 1
Fluoride Inorganic 2 1
Lead Inorganic 2 1
Contaminant 2959 Other 2 1
Gross Beta Radionuclides 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
81154 B 8 0 South Fork West Municipal Town of

All ZIP Codes in South Fork

  • 81154 [B] — 8 violations

Data Sources

Updated daily.

South Fork Community Health Snapshot

10.6%
Asthma (US: 9.8%)
12.2%
Diabetes (US: 10.4%)
15.6%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.6% ↑
Diabetes 12.2% ↑
Mental Health 15.6% ↑

Vertical line = national average. Above national · Below national

What's in South Fork's Water?

Consumer Confidence Report Rule 4 violations
Reporting
Fluoride 2 violations
Inorganic · EPA limit: 4 mg/L
Bone disease at high levels
Lead 2 violations
Inorganic · EPA limit: 0.015 mg/L

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

South Fork Infrastructure Age

1997
Median Build Year
39%
Built Before 1986
7%
Built Before 1970
Copper
Likely Pipe Material

Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Roughly balanced between older and newer construction, South Fork shows a median build year of 1997 — a mid-range figure that places meaningful amounts of the residential inventory on both sides of the 1986 federal plumbing-solder ban.

1997
Median Year Built
39%
Pre-1986 (Lead Paint Risk)
7%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (7%) 1970–1986 (32%) Post-1986 (61%)

Most homes in South Fork were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in South Fork

Across South Fork, the equity share taken up by estimated remediation is small — a favorable ratio for most property owners.

Median Home Value
$409,000
Est. Remediation
$2,200
Remediation as % of home value 0.5%

Remediation costs in South Fork are relatively low compared to home values. The $1,200–$3,300 estimated range is a small fraction of median property value. Home values are 10% below the Colorado average.

South Fork: Lead Risk & Vulnerable Populations

39%
Homes Built Before 1986
0.002
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

In recent monitoring under the Lead and Copper Rule, citywide samples for South Fork have approached or crossed the regulatory action level on multiple occasions. Combined with 39% of stock dating from the pre-rule era, the picture supports baseline single-tap reads as a standard household-level step.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

South Fork: Flood History & Water Damage Risk

Across the NFIP's long tracking period, South Fork shows 2 claims and 100% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.

2
Total FEMA Flood Claims
100%
ZIPs in FEMA Flood Zones

South Fork has a moderate flood history with 2 FEMA claims. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$2,200</strong> remediation cost per household.

Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.

Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.

Frequently Asked Questions

Is the water safe to drink in South Fork, CO?
South Fork has an average water safety score of 79/100 (Grade B). 8 EPA violations have been recorded. Check individual ZIP code reports for details specific to your neighborhood.
How many water violations does South Fork have?
South Fork water systems have a total of 8 EPA violations. Violations are tracked across 1 ZIP code.
Does South Fork water have lead?
The average 90th-percentile lead level in South Fork is 0.002 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home — testing is recommended especially in older properties.
How does South Fork compare to Colorado average?
South Fork has an average water safety score of 79/100, which is above the Colorado state average of 60/100.
How many water systems serve South Fork?
South Fork is served by 4 public water systems across 1 ZIP code, serving approximately 1,259 people.
How much does it cost to fix water issues in South Fork?
Estimated remediation costs in South Fork average $2,200 per household, ranging from $1,200 to $3,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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