STATE REPORT
WY
6 ALERTS
189 HEALTH VIOLATIONS
Wyoming Water Quality & Safety Report
32 ZIP codes · 64 water systems · IPC plumbing code · Updated 2026-03-16
Data: EPA SDWIS, NWS, State plumbing boards, Rewiring America Last verified: 2026-03-16
32
ZIP Codes
64
Water Systems
31
ZIPs with Violations
6
Active Alerts
IPC
Plumbing Code
Overview
We track water quality, weather alerts, plumbing regulations, and energy rebates for 32 ZIP codes across Wyoming, covering 64 community water systems that serve approximately 278,591 people.
31 of 32 ZIP codes (97%) have recorded EPA violations. 189 health-based violations have been documented.
Active Weather Alerts
6 active alerts in Wyoming including 3 warnings. Severe weather can directly affect tap water quality — flooding, power outages, and infrastructure damage may lead to boil-water advisories.
| Alert | Severity | Areas |
|---|---|---|
| Fire Weather Watch | Severe | Lodgepole Creek/Southern Nebraska Panhandle; Laramie Foot… |
| Fire Weather Watch | Severe | Pine Ridge/Nebraska National Forest; Box Butte/South Siou… |
| Fire Weather Watch | Severe | Lodgepole Creek/Southern Nebraska Panhandle; Laramie Foot… |
| High Wind Warning | Severe | Central Laramie Range and Southwest Platte County |
| High Wind Warning | Severe | North Snowy Range Foothills |
Plumbing Regulations
Wyoming follows the International Plumbing Code (2018 edition).
- Plumbing code: IPC (2018)
- Homeowner DIY: Allowed with permit
- Water heater permit: Required
- Annual backflow test: Required
Areas with Most Violations
| ZIP Code | City | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|---|
| 82082 | Pine Bluffs | — | 235 | 8 | PINE BLUFFS, TOWN OF |
| 82301 | Rawlins | — | 122 | 8 | RAWLINS WATER SUPPLY, CITY OF |
| 82222 | Lance Creek | — | 92 | 30 | LANCE CREEK WATER DISTRICT |
| 82323 | Dixon | — | 90 | 78 | DIXON, TOWN OF |
| 82310 | Jeffrey City | — | 79 | 2 | JEFFREY CITY WATER & SEWER DISTRICT |
| 82321 | Baggs | — | 79 | 48 | BAGGS, TOWN OF |
| 82050 | Albin | — | 66 | 2 | ALBIN, TOWN OF |
| 82053 | Burns | — | 63 | 0 | BURNS BOARD OF PUBLIC UTILITIES |
| 82070 | Laramie | — | 58 | 0 | LARAMIE, CITY OF |
| 82225 | Lusk | — | 56 | 0 | LUSK, TOWN OF |
Areas with No Violations
| ZIP Code | City | Safety Score | System | Population |
|---|---|---|---|---|
| 82215 | Hartville | — | HARTVILLE, TOWN OF | 64 |
Lead & Copper
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
- High risk (Zone 1): 0 ZIP codes (0%)
- Moderate risk (Zone 2): 0 ZIP codes
- Low risk (Zone 3): 0 ZIP codes
All 32 ZIP Codes in Wyoming
- 82050 (Albin) — 66 violations ⚠
- 82321 (Baggs) — 79 violations ⚠
- 82322 (Bairoil) — 24 violations ⚠
- 82053 (Burns) — 63 violations
- 82054 (Carpenter) — 1 violation ⚠
- 82601 (Casper) — 10 violations
- 82055 (Centennial) — 8 violations
- 82001 (Cheyenne) — 13 violations ⚠
- 82210 (Chugwater) — 5 violations ⚠
- 82323 (Dixon) — 90 violations ⚠
- 82324 (Elk Mountain) — 30 violations ⚠
- 82930 (Evanston) — 12 violations ⚠
- 82212 (Fort Laramie) — 2 violations
- 82716 (Gillette) — 7 violations
- 82213 (Glendo) — 19 violations
- 82214 (Guernsey) — 5 violations
- 82215 (Hartville)
- 83001 (Jackson) — 19 violations ⚠
- 82310 (Jeffrey City) — 79 violations ⚠
- 82222 (Lance Creek) — 92 violations ⚠
- 82070 (Laramie) — 58 violations
- 82223 (Lingle) — 3 violations
- 82225 (Lusk) — 56 violations
- 82227 (Manville) — 7 violations
- 82082 (Pine Bluffs) — 235 violations ⚠
- 82301 (Rawlins) — 122 violations ⚠
- 82083 (Rock River) — 2 violations
- 82901 (Rock Springs) — 4 violations
- 82240 (Torrington) — 3 violations
- 82201 (Wheatland) — 18 violations ⚠
- 82190 (Yellowstone National Park) — 3 violations
- 82244 (Yoder) — 2 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Weather alerts: National Weather Service (NWS)
- Regulations: State plumbing boards, ICC, IAPMO
- Rebates: Rewiring America
Updated daily.