WaterVerge

Is Norwood, CO Tap Water Safe to Drink?

Graded B- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

2K residents served 1 water system PWSID: CO0157500
Overall Score
72.8 / 100
Violations
2 active
Last Updated
May 2026
Source
Surface water
#112 of 246 in Colorado Top 65% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
72.8/100
waterverge.com
B- 72.8/100

Norwood, CO — Water Quality Report

Norwood's drinking water received a grade of B- (72.8 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,700 residents using surface water.

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 95 violations on record, including 44 health-based violations. 2 remain unresolved.

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

What to know about Norwood's water

Norwood ranks #112 out of 246 cities in Colorado for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Norwood may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 10 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
72.8 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
25.8/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Norwood, CO water safe to drink?

Use Caution

Norwood's tap water meets most EPA standards but has areas that warrant attention. With a grade of B- (72.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,700 residents using surface water (rivers, lakes, or reservoirs).

2
Active Violations
2.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Norwood

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Norwood's water quality assessment. Grade: B- (72.8/100).

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Violation
3 drinking water violations recorded

Contaminants: Revised Total Coliform Rule, Surface Water Treatment Rule, Chloramine.

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3224). Coastal Storm event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING

Federal disaster declaration (FEMA DR-719). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.90 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Norwood's water system has 95 total violations on record, including 44 health-based violations. 2 remain unresolved. 10 violations were issued in the last 5 years.

MRMONMCLTT
Most recent violations:
May 2025 Surface Water Treatment Rule Resolved
Apr 2025 Revised Total Coliform Rule Resolved
Apr 2025 Surface Water Treatment Rule Resolved
Apr 2025 Chloramine Resolved
Feb 2025 Surface Water Treatment Rule Resolved

Flood & environmental risk

San Miguel County has experienced 4 federally declared disasters since 1970. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3224
SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING
Flood FEMA DR-719
FLOODING & LANDSLIDES
Flood FEMA DR-396

Where does Norwood's water come from?

Norwood's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,700 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Norwood residents can do

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

Norwood'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
Copper (90th percentile)
Inorganic
Over Limit
1.90 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

95
Total violations
44
Health-based
2
Active / unresolved
May 2025
Most recent violation
Compliance Record

Violations & advisories

95 Total
2 Active
44 Health-based
93 Resolved
1 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
31
Volatile Organic Chemicals
21
Surface Water Treatment Rule
19
Inorganic Chemicals
9
Total Coliform Rule
5
Jan 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
May 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2025
Apr 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2025
Apr 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2025
Apr 2025 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2025
Feb 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2025
Jan 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jan 2025
Jan 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2025
Jan 2025 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2025
Aug 2023 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2023
Jul 2023 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Apr 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2018
Apr 2018 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2018
Feb 2018 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2018
Jan 2018 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2018
Oct 2017 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2017
Jul 2014 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Sep 2014
Apr 2011 Resolved
p-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2011
Apr 2011 Resolved
Vinyl chloride
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2011
Showing 20 of 95 violations
Environmental Risk

Drought conditions

D3 — extreme drought

San Miguel 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.

13
Weeks at D2+ (current streak)
29.1%
Months in D2+ (last 30y)
13
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

4
Declared disasters
Sep 2005
Most recent
Flood
Most common type

San Miguel County has experienced 4 federally declared disasters since 1970. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3224
Jul 1984
SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING
Flood FEMA #719
Jul 1973
FLOODING & LANDSLIDES
Flood FEMA #396
Sep 1970
HEAVY RAINS & FLOODING
Flood FEMA #293

Recommended water filters

Based on contaminants detected in Norwood's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.90 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.0 ppb from 1993 (5.0 ppb) to 2025 (2.0 ppb).

Copper level (90th percentile)

Latest reading: 1.900 mg/L (1995)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
1,700
Water Systems
1
Water Source

Where Norwood's water comes from

Surface Water

Norwood's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 1,700 people through 1 water system.

Infrastructure

Water systems serving Norwood

System Name PWSID Population Source
NORWOOD WATER COMMISSION CO0157500 1,700 SW
Regional Comparison

How Norwood compares

Full Colorado rankings →

Norwood's score of 72.8/100 is above the average of 45/100 among major Colorado cities. It outscores 9 of 10 nearby cities.

Norwood (this city)
72.8
Denver
39.6
Aurora
38.1
Lakewood
36.9
Colorado avg
45
City Profile

About Norwood, CO

Economic Profile
$53,603
Median Income
$301,951
Median Home Value
$1,211/mo
Median Rent
10.5%
Unemployment
Community
34.5
Median Age
537
People / sq mi
29.6%
College Educated
51.5%
Homeownership
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Frequently asked questions

Is Norwood, CO tap water safe to drink?

Norwood's water quality earned a grade of B- (72.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #112 out of 246 cities tested in Colorado.

What contaminants are in Norwood's water?

Lead was measured at 2.0 ppb (90th percentile). 95 violations are on record.

How is Norwood'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 Norwood?

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

Where does Norwood's water come from?

Norwood's water is sourced from Surface water. The city has 1 water system serving approximately 1,700 residents.

What health violations has Norwood's water system had?

Norwood has 44 health-based violations on record. The most recent violation was recorded in May 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

How does Norwood's water compare to other cities?

Norwood ranks #112 out of 246 cities in Colorado (better than 54% of state cities) and #10236 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 Norwood's small water system affect quality?

Norwood's system serves approximately 1,700 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 95 violations on record.