WaterVerge

Is White Sulphur Springs, MT Tap Water Safe to Drink?

Graded D+, with 11 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 2 water systems PWSID: MT0000360
Overall Score
51 / 100
Violations
11 active
Last Updated
May 2026
Source
Surface water
#77 of 115 in Montana Top 82% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
51/100
waterverge.com
D+ 51/100

White Sulphur Springs, MT — Water Quality Report

White Sulphur Springs's drinking water received a grade of D+ (51 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 1,087 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 419 violations on record, including 44 health-based violations. 11 remain unresolved.

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

What to know about White Sulphur Springs's water

White Sulphur Springs ranks #77 out of 115 cities in Montana for water quality, placing it below average 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, White Sulphur Springs may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 17 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
51 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
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
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is White Sulphur Springs, MT water safe to drink?

Concerns Identified

White Sulphur Springs's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (51/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,087 residents using surface water (rivers, lakes, or reservoirs).

11
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for White Sulphur Springs

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into White Sulphur Springs's water quality assessment. Grade: D+ (51/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3253). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-640). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for White Sulphur Springs's water supply.

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

Well within EPA limits.

Violation history

White Sulphur Springs's water system has 419 total violations on record, including 44 health-based violations. 11 remain unresolved. 17 violations were issued in the last 5 years.

MONMROtherTTMCL
Most recent violations:
Jun 2025 Revised Total Coliform Rule Resolved
Oct 2024 Lead and Copper Rule Open
Oct 2023 Lead and Copper Rule Open
Jul 2023 Consumer Confidence Rule Open
Jan 2023 Nitrate-Nitrite Resolved

Flood & environmental risk

Meagher County has experienced 3 federally declared disasters since 1975. 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
Hurricane FEMA DR-3253
SEVERE STORMS & FLOODING
Flood FEMA DR-640
RAINS, SHOWMELT, STORMS & FLOODING
Flood FEMA DR-472

Where does White Sulphur Springs's water come from?

White Sulphur Springs's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 1,087 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What White Sulphur Springs residents can do

Install a water filter

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

White Sulphur Springs'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

419
Total violations
44
Health-based
11
Active / unresolved
Jun 2025
Most recent violation
Compliance Record

Violations & advisories

419 Total
11 Active
44 Health-based
408 Resolved
4 SNC
Violations by category
Volatile Organic Chemicals
147
Inorganic Chemicals
82
Synthetic Organic Chemicals
75
Surface Water Treatment Rule
47
Stage 1 Disinfectants and Disinfection Byproducts Rule
20
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Dec 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Oct 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jun 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2025
Jan 2023 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2023 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Nickel
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Antimony, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Beryllium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Showing 20 of 419 violations
Environmental Risk

Drought conditions

D2 — severe drought

Meagher County is currently in D2 (severe 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.

14
Weeks at D2+ (current streak)
29.7%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

3
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Meagher County has experienced 3 federally declared disasters since 1975. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3253
May 1981
SEVERE STORMS & FLOODING
Flood FEMA #640
Jun 1975
RAINS, SHOWMELT, STORMS & FLOODING
Flood FEMA #472

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 9.0 ppb from 1993 (9.0 ppb) to 2020 (0.0 ppb).
Contaminant Rankings

See how White Sulphur Springs compares by contaminant

Explore where White Sulphur Springs ranks among all Montana cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
1,087
Water Systems
2
Source breakdown
Surface Water
1
Groundwater
1
Water Source

Where White Sulphur Springs's water comes from

Surface Water

White Sulphur Springs'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 1,087 people through 2 water systems.

Infrastructure

Water systems serving White Sulphur Springs

System Name PWSID Population Source
WHITE SULPHUR SPRINGS CITY OF MT0000360 1,000 SW
SPRINGDALE HUTTERITE COLONY MT0000134 87 GW
Regional Comparison

How White Sulphur Springs compares

Full Montana rankings →

White Sulphur Springs's score of 51/100 is above the average of 45/100 among major Montana cities. It outscores 9 of 10 nearby cities.

White Sulphur Springs (this city)
51
Billings
39.6
Missoula
42.6
Bozeman
43.4
Helena
39.1
Montana avg
45
City Profile

About White Sulphur Springs, MT

Wikipedia →

White Sulphur Springs is a city in and the county seat of Meagher County, Montana, United States. The population was 955 at the 2020 census.

Economic Profile
$55,775
Median Income
$231,422
Median Home Value
$743/mo
Median Rent
0%
Unemployment
Community
52.8
Median Age
434
People / sq mi
26.5%
College Educated
86%
Homeownership
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Frequently asked questions

Is White Sulphur Springs, MT tap water safe to drink?

White Sulphur Springs's water quality earned a grade of D+ (51/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #77 out of 115 cities tested in Montana.

What contaminants are in White Sulphur Springs's water?

Lead was measured at 0.0 ppb (90th percentile). 419 violations are on record.

How is White Sulphur Springs'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 White Sulphur Springs?

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

Where does White Sulphur Springs's water come from?

White Sulphur Springs's water is sourced from Surface water. The city has 2 water systems serving approximately 1,087 residents.

What health violations has White Sulphur Springs's water system had?

White Sulphur Springs has 44 health-based violations on record. The most recent violation was recorded in June 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.

How does White Sulphur Springs's water compare to other cities?

White Sulphur Springs ranks #77 out of 115 cities in Montana (better than 33% of state cities) and #12945 out of 15744 cities nationally (18th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.