WaterVerge

Is Simla, CO Tap Water Safe to Drink?

Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

618 residents served 1 water system PWSID: CO0120025
Overall Score
87.3 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#39 of 246 in Colorado Top 27% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.3/100
waterverge.com
A- 87.3/100

Simla, CO — Water Quality Report

Simla's drinking water received a grade of A- (87.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 618 residents using groundwater.

Lead levels were measured at 2.0 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 20 violations on record, including 3 health-based violations. 6 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Simla's water

Simla ranks #39 out of 246 cities in Colorado for water quality, placing it above average in the state.

Simla 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, Simla may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
87.3 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.3/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Simla, CO water safe to drink?

Concerns Identified

Simla's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 618 residents using groundwater (wells).

6
Active Violations
2.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Simla

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Simla's water quality assessment. Grade: A- (87.3/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE STORMS, FLOODING, AND TORNADOES

Federal disaster declaration (FEMA DR-4731). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Disaster
SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4229). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Simla's water supply.

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Simla's water system has 20 total violations on record, including 3 health-based violations. 6 remain unresolved. 1 violation was issued in the last 5 years.

MRMONOtherMCL
Most recent violations:
Jan 2026 Lead and Copper Rule Open
Nov 2020 Revised Total Coliform Rule Resolved
Oct 2020 Chlorine Resolved
Jan 2020 Lead and Copper Rule Open
Oct 2019 Lead and Copper Rule Open

Flood & environmental risk

Elbert County has experienced 5 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS, FLOODING, AND TORNADOES
Flood FEMA DR-4731
SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4229
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3224

Where does Simla's water come from?

Simla's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 618 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Simla residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Simla's water.

Request your utility's CCR

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.

Monitor alerts during storms

Simla's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

20
Total violations
3
Health-based
6
Active / unresolved
Jan 2026
Most recent violation
Compliance Record

Violations & advisories

20 Total
6 Active
3 Health-based
14 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
6
Total Coliform Rule
6
Lead and Copper Rule
4
Revised Total Coliform Rule
1
Public Notice Rule and Revised PN Rule
1
Jan 2026 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2018 Active
Public Notice
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Nov 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2020
Oct 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Sep 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Jul 2013 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Jan 2011 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Jan 2011 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Sep 2006 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2006
Jan 2006 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2006 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Aug 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2005
Jan 2005 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Feb 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1996
Jul 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1994
Oct 1991 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1991
Environmental Risk

Drought conditions

D3 — extreme drought

Elbert County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

11
Weeks at D2+ (current streak)
21.1%
Months in D2+ (last 30y)
11
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

5
Declared disasters
Aug 2023
Most recent
Flood
Most common type

Elbert County has experienced 5 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2023
SEVERE STORMS, FLOODING, AND TORNADOES
Flood FEMA #4731
Jul 2015
SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4229
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3224
Aug 1997
SEVERE STORMS, HEAVY RAIN, FLASH FLOODS, FLOODING, MUDSLIDES
Flood FEMA #1186
May 1973
HEAVY RAINS, SNOWMELT AND FLOODING
Flood FEMA #385

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 7.0 ppb from 1993 (9.0 ppb) to 2025 (2.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
618
Water Systems
1
Water Source

Where Simla's water comes from

Groundwater

Simla'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 local government ownership and serves approximately 618 people through 1 water system.

Infrastructure

Water systems serving Simla

System Name PWSID Population Source
SIMLA TOWN OF CO0120025 618 GW
Regional Comparison

How Simla compares

Full Colorado rankings →

Simla's score of 87.3/100 is above the average of 45/100 among major Colorado cities. It outscores 10 of 10 nearby cities.

Simla (this city)
87.3
Denver
39.6
Aurora
38.1
Lakewood
36.9
Colorado avg
45
City Profile

About Simla, CO

Economic Profile
$41,625
Median Income
$187,057
Median Home Value
$1,162/mo
Median Rent
0%
Unemployment
Community
39.1
Median Age
368
People / sq mi
20%
College Educated
54.9%
Homeownership
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Frequently asked questions

Is Simla, CO tap water safe to drink?

Simla's water quality earned a grade of A- (87.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #39 out of 246 cities tested in Colorado.

What contaminants are in Simla's water?

Lead was measured at 2.0 ppb (90th percentile). 20 violations are on record.

How is Simla'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 Simla?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Simla's water come from?

Simla's water is sourced from Groundwater. The city has 1 water system serving approximately 618 residents.

What health violations has Simla's water system had?

Simla has 3 health-based violations on record. The most recent violation was recorded in January 2026. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

Is Simla's groundwater at risk of contamination?

Simla 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 20 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 Simla's water compare to other cities?

Simla ranks #39 out of 246 cities in Colorado (better than 84% of state cities) and #4163 out of 15744 cities nationally (74th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Simla's small water system affect quality?

Simla's system serves approximately 618 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 20 violations on record.