WaterVerge

Is Orland, CA Tap Water Safe to Drink?

Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

8K residents served 1 water system PWSID: CA1110001
Overall Score
90 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#138 of 694 in California Top 16% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90/100
waterverge.com
A 90/100

Orland, CA — Water Quality Report

Orland's drinking water received a grade of A (90 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 8,298 residents using groundwater.

Lead levels were measured at 0.8 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 8 violations on record, including 5 health-based violations. 2 remain unresolved.

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

What to know about Orland's water

Orland ranks #138 out of 694 cities in California for water quality, placing it above average in the state.

Orland 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
90 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.8 ppb (90th percentile).
Contaminants
18.2/20
A
1 PFAS compound detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Orland, CA water safe to drink?

Use Caution

Orland's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (90/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 8,298 residents using groundwater (wells).

2
Active Violations
0.8 ppb
Lead (90th %ile)
1 compound
PFAS Detected
10 events
Disaster History

Recent water quality updates for Orland

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Orland's water quality assessment. Grade: A (90/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-3592). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4683). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 0.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 11.2000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Orland's water system has 8 total violations on record, including 5 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.

RPTMONMCL
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Sep 2016 Revised Total Coliform Rule Resolved
Jan 2000 Coliform (TCR) Resolved
Oct 1997 Coliform (TCR) Resolved
May 1997 Coliform (TCR) Resolved

Flood & environmental risk

Glenn County has experienced 10 federally declared disasters since 1964. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-3592
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4683
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-3591

Where does Orland's water come from?

Orland's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 8,298 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Orland 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

Orland'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
0.8 ppb
EPA Action Level: 15 ppb · 5% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
11.2000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
11.2 µg/L
State screening level: 60 µg/L · 19% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

8
Total violations
5
Health-based
2
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

8 Total
2 Active
5 Health-based
6 Resolved
Violations by category
Total Coliform Rule
5
Lead and Copper Rule Revisions
1
Revised Total Coliform Rule
1
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Active
Compliance Violation
Monitoring 0
Sep 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2016
Jan 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 2000
Oct 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1997
May 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 1997
Jun 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1993
Sep 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1992
Environmental Risk

Flood & disaster history

10
Declared disasters
Mar 2023
Most recent
Flood
Most common type

Glenn County has experienced 10 federally declared disasters since 1964. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #3592
Jan 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4683
Jan 2023
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #3591
Apr 2017
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #4308
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3248
Feb 1986
SEVERE STORMS & FLOODING
Flood FEMA #758

Recommended water filters

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

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.8 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 11.200 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.7 ppb from 1992 (2.5 ppb) to 2023 (0.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
8,298
Water Systems
1
Water Source

Where Orland's water comes from

Groundwater

Orland'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 8,298 people through 1 water system.

Infrastructure

Water systems serving Orland

System Name PWSID Population Source
CITY OF ORLAND CA1110001 8,298 GW
Regional Comparison

How Orland compares

Full California rankings →

Orland's score of 90/100 is above the average of 57/100 among major California cities. It outscores 9 of 10 nearby cities.

Orland (this city)
90
Oakland
77.9
San Diego
39.7
Sacramento
31.2
California avg
57
City Profile

About Orland, CA

Wikipedia →

Orland is a city in Glenn County, California. The population was 8,298 at the 2020 census, up from 7,291 at the 2010 census, making Orland the most populous city in Glenn County. Orland is located 16 miles (26 km) north of Willows, at an elevation of 259 feet (79 m). Interstate 5, (north–south) passes west of the downtown area while State Route 32 (east–west) passes through downtown.

Economic Profile
$61,587
Median Income
$280,136
Median Home Value
$1,007/mo
Median Rent
7.2%
Unemployment
Community
34.3
Median Age
1,059
People / sq mi
10.4%
College Educated
60.4%
Homeownership
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Frequently asked questions

Is Orland, CA tap water safe to drink?

Orland's water quality earned a grade of A (90/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #138 out of 694 cities tested in California.

What contaminants are in Orland's water?

Lead was measured at 0.8 ppb (90th percentile). 1 PFAS compound was detected. 8 violations are on record.

How is Orland'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 Orland?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Orland's water come from?

Orland's water is sourced from Groundwater. The city has 1 water system serving approximately 8,298 residents.

What health violations has Orland's water system had?

Orland has 5 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Orland's groundwater at risk of contamination?

Orland 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 8 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 Orland's water compare to other cities?

Orland ranks #138 out of 694 cities in California (better than 80% of state cities) and #2445 out of 15744 cities nationally (85th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.