WaterVerge

Is Neskowin, OR Tap Water Safe to Drink?

Graded B, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: OR4100970
Overall Score
76.5 / 100
Violations
10 active
Last Updated
May 2026
Source
Surface water
#66 of 213 in Oregon Top 59% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
76.5/100
waterverge.com
B 76.5/100

Neskowin, OR — Water Quality Report

Neskowin's drinking water received a grade of B (76.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,735 residents using surface water.

Lead levels were measured at 0.0 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 84 violations on record, including 3 health-based violations. 10 remain unresolved.

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

What to know about Neskowin's water

Neskowin ranks #66 out of 213 cities in Oregon 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, Neskowin may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
76.5 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
27.5/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Neskowin, OR water safe to drink?

Concerns Identified

Neskowin's drinking water has significant quality concerns based on EPA testing data. With a grade of B (76.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,735 residents using surface water (rivers, lakes, or reservoirs).

10
Active Violations
0.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Neskowin

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Neskowin's water quality assessment. Grade: B (76.5/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4055). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3228). Coastal Storm event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Neskowin's water system has 84 total violations on record, including 3 health-based violations. 10 remain unresolved. 7 violations were issued in the last 5 years.

OtherMRTT
Most recent violations:
Oct 2025 Consumer Confidence Rule Open
Jul 2025 Consumer Confidence Rule Open
Jul 2023 Consumer Confidence Rule Open
Oct 2022 Surface Water Treatment Rule Resolved
Oct 2022 Surface Water Treatment Rule Resolved

Flood & environmental risk

Tillamook County has experienced 8 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 STORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4055
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3228
HIGH WINDS, SEVERE STORMS AND FLOODING
Flood FEMA DR-1099

Where does Neskowin's water come from?

Neskowin's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,735 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Neskowin residents can do

Install a water filter

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

Neskowin'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

84
Total violations
3
Health-based
10
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

84 Total
10 Active
3 Health-based
74 Resolved
2 SNC
Violations by category
Surface Water Treatment Rule
29
Synthetic Organic Chemicals
29
Lead and Copper Rule
6
Inorganic Chemicals
6
Radionuclides and Revised Rad Rule
5
Oct 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2001 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 1998 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jul 1995 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jul 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Oct 2022 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2022
Oct 2022 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2022
Oct 2022 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2022
Jul 2020 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2020
Jul 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2020
Jan 2020 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
BHC-GAMMA
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Toxaphene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Dalapon
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Endothall
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Showing 20 of 84 violations
Environmental Risk

Flood & disaster history

8
Declared disasters
Mar 2012
Most recent
Flood
Most common type

Tillamook County has experienced 8 federally declared disasters since 1964. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2012
SEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4055
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3228
Feb 1996
HIGH WINDS, SEVERE STORMS AND FLOODING
Flood FEMA #1099
Jan 1990
SEVERE STORMS & FLOODING
Flood FEMA #853
Jan 1974
SEVERE STORMS, SNOWMELT & FLOODING
Flood FEMA #413
Jan 1972
SEVERE STORMS & FLOODING
Flood FEMA #319

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 24.0 ppb from 1993 (24.0 ppb) to 2027 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
1,735
Water Systems
1
Water Source

Where Neskowin's water comes from

Surface Water

Neskowin'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 1,735 people through 1 water system.

Infrastructure

Water systems serving Neskowin

System Name PWSID Population Source
NESKOWIN REG WATER DIST OR4100970 1,735 SW
Regional Comparison

How Neskowin compares

Full Oregon rankings →

Neskowin's score of 76.5/100 is above the average of 42/100 among major Oregon cities. It outscores 10 of 10 nearby cities.

Neskowin (this city)
76.5
Portland
39.4
Beaverton
40.7
Salem
43.6
Eugene
28
Bend
41
Oregon avg
42
City Profile

About Neskowin, OR

Wikipedia →

Neskowin is an unincorporated community in Tillamook County, Oregon, United States, along the Pacific Ocean between Cascade Head and Nestucca Bay. For statistical purposes, the United States Census Bureau has defined Neskowin as a census-designated place (CDP). The census definition of the area may not precisely correspond to local understanding of the area with the same name. As of the 2020 census, Neskowin had a population of 205.

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Frequently asked questions

Is Neskowin, OR tap water safe to drink?

Neskowin's water quality earned a grade of B (76.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #66 out of 213 cities tested in Oregon.

What contaminants are in Neskowin's water?

Lead was measured at 0.0 ppb (90th percentile). 84 violations are on record.

How is Neskowin'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 Neskowin?

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

Where does Neskowin's water come from?

Neskowin's water is sourced from Surface water. The city has 1 water system serving approximately 1,735 residents.

What health violations has Neskowin's water system had?

Neskowin has 3 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

How does Neskowin's water compare to other cities?

Neskowin ranks #66 out of 213 cities in Oregon (better than 69% of state cities) and #9284 out of 15744 cities nationally (41th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Neskowin's small water system affect quality?

Neskowin's system serves approximately 1,735 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 84 violations on record.