La Plata County, Colorado — public water systems
At a glance
108 active public water systems are filed under La Plata County, Colorado in EPA's SDWIS records, together reporting 62,281 people served. The largest is City of Durango, which reports serving 33,787 people. 54 are community water systems serving people where they live; the other 54 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
108
Population served
62.3K
Community systems
54
Groundwater share
75.9%
How does La Plata County compare with other Colorado counties?
La Plata County has the 4th-most active public water systems among the 113 counties listed for active Colorado systems in EPA records; among the 65 with 3 or more systems, the median has 18. Its systems report 62,281 people served in total, the 15th-largest county figure in the state and 0.8% of the statewide total. The average system here reports serving 577 people, well below the Colorado average of 3,400. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does La Plata County's drinking water come from?
By primary water source, La Plata County's active systems draw on groundwater (71, 66%), purchased surface water (18, 17%), groundwater under influence of surface water (9, 8.3%) and surface water (8, 7.4%). Overall, 76% rely mainly on groundwater (including purchased groundwater) and 24% on surface water, compared with 74% and 26% across Colorado. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Durango, draws primarily on surface water.
What kinds of water systems operate in La Plata County?
La Plata County's active systems break down as 54 community systems (50%), 7 non-transient non-community systems (6.5%) and 47 transient non-community systems (44%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (78%), local government (14%), federal government (7.4%) and public/private partnership (0.9%).
The 50 largest water systems in La Plata County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Durango City of | La Plata | 33,787 | Community | Surface water |
| 2 | Animas Wc | La Plata | 3,096 | Community | Groundwater |
| 3 | Bayfield Town of | La Plata | 2,300 | Community | Surface water |
| 4 | Forest Lakes Md | La Plata | 1,699 | Community | Groundwater |
| 5 | Lake Durango Wa | La Plata | 1,577 | Community | Surface water |
| 6 | Purgatory Md | La Plata | 1,364 | Community | Groundwater |
| 7 | Edgemont Ranch Md | La Plata | 1,200 | Community | Surface water |
| 8 | Durango West Md No 2 | La Plata | 930 | Community | Purchased surface water |
| 9 | Ignacio Town of | La Plata | 800 | Community | Purchased surface water |
| 10 | Durango La Plata Airport | La Plata | 780 | Non-transient non-community | Groundwater under influence of surface water |
| 11 | Durango West Md No 1 | La Plata | 750 | Community | Purchased surface water |
| 12 | Elbert Creek Water Co | La Plata | 750 | Community | Surface water |
| 13 | Bar D Chuckwagon | La Plata | 550 | Transient non-community | Groundwater |
| 14 | Purgatory Recreation 1 Powder House Rest | La Plata | 515 | Transient non-community | Groundwater |
| 15 | La Plata Archuleta Water District | La Plata | 510 | Community | Purchased surface water |
| 16 | Colorado Trails Ranch | La Plata | 434 | Transient non-community | Groundwater |
| 17 | Durango 9 R Florida Mesa School | La Plata | 410 | Non-transient non-community | Groundwater |
| 18 | El Rancho Florida Md | La Plata | 400 | Community | Groundwater under influence of surface water |
| 19 | La Plata West Water Authority | La Plata | 354 | Community | Purchased surface water |
| 20 | Southwest Horizon Ranch | La Plata | 323 | Community | Groundwater |
| 21 | Elmore'S Corner 425 Pizza | La Plata | 312 | Transient non-community | Groundwater |
| 22 | Durango'S Cowboy Church | La Plata | 305 | Transient non-community | Groundwater |
| 23 | Animas View MHP Co-Op | La Plata | 292 | Community | Purchased surface water |
| 24 | Needles Country Square LLC | La Plata | 285 | Non-transient non-community | Groundwater |
| 25 | Colvig Silver Camps | La Plata | 260 | Transient non-community | Groundwater under influence of surface water |
| 26 | Homestead Trails | La Plata | 258 | Community | Groundwater |
| 27 | Vallecito Resort | La Plata | 256 | Transient non-community | Groundwater |
| 28 | Florida River Estates Hoa Inc. | La Plata | 239 | Community | Groundwater under influence of surface water |
| 29 | Westside MHP | La Plata | 236 | Community | Groundwater |
| 30 | Claude Decker Subd Pipeline | La Plata | 220 | Transient non-community | Groundwater |
| 31 | Roadhouse Market | La Plata | 216 | Transient non-community | Groundwater |
| 32 | Falls Creek Ranch | La Plata | 215 | Community | Groundwater |
| 33 | Happy Scenes Ws Inc. | La Plata | 209 | Community | Groundwater |
| 34 | Olde Schoolhouse Cafe | La Plata | 202 | Transient non-community | Groundwater |
| 35 | Htr Durango Campground | La Plata | 200 | Transient non-community | Groundwater |
| 36 | Mountain Man Water Service | La Plata | 200 | Community | Purchased surface water |
| 37 | Durango Regency MHP | La Plata | 200 | Community | Groundwater |
| 38 | LDS Red Mesa | La Plata | 193 | Transient non-community | Groundwater |
| 39 | Durango 9r Sunnyside Elementary School | La Plata | 192 | Non-transient non-community | Groundwater |
| 40 | Blue Sky Ranch Inc. Assoc of Owners | La Plata | 180 | Community | Groundwater |
| 41 | Easy Water LLC | La Plata | 154 | Community | Purchased surface water |
| 42 | Durango North Village | La Plata | 150 | Community | Purchased groundwater |
| 43 | Knolls at Durango Hoa | La Plata | 150 | Community | Groundwater |
| 44 | Narrow Gauge MHP | La Plata | 150 | Community | Purchased surface water |
| 45 | Vallecito Valley Subd | La Plata | 143 | Transient non-community | Groundwater |
| 46 | Island Cove Park | La Plata | 143 | Community | Purchased surface water |
| 47 | Blue Spruce Rv Park | La Plata | 135 | Transient non-community | Groundwater |
| 48 | Mountain River Rv Park | La Plata | 126 | Transient non-community | Groundwater |
| 49 | Oasis Rv Resort | La Plata | 120 | Transient non-community | Purchased surface water |
| 50 | Apache MHP | La Plata | 120 | Community | Purchased surface water |
All other water systems in La Plata County (58)
The remaining active systems filed under La Plata County, largest first, with the population each reports serving.
- Ute Pass Wa Inc.120
- Old Homestead MHP120
- Gcc Energy Water System120
- Los Ranchitos Hoa120
- Needles Townhome Hoa116
- Root Creek Wa115
- Purgatory Recreation 1 Dantes Rest115
- Junction Creek Cg100
- Durango Jcmhp, LLC100
- Rancho Vedado98
- Hermosa Village98
- Cross Bar X Youth Ranch97
- Goodman Poa96
- Valley West Park93
- Forrest Grove Estates92
- Lightner Creek MHP90
- Freeman Creek88
- Haviland Lake Cg82
- Vallecito Cg81
- Twilight Wc78
- Electra Lake Sporting Club76
- Laplata Vista Estates Hoa68
- Durango Rv Park65
- Rocky Mountain General Store63
- Escalante Village62
- Heartwood Co Op Housing60
- Sierra Verde Water Inc..60
- Target Rental60
- Tall Pines Village60
- Florida Cg59
- Durango Ranch Rv Resort58
- Five Branches Camper Park56
- Chris Park Cg54
- Fun Center Durango51
- Hesperus Oasis Quick Stop49
- Los Prados Hoa45
- Pinon Heights MHP43
- Pine Point Cg42
- Van Den Berg Md41
- Durango Falfa Mhc LLC40
- Blue Lake Ranch40
- Triangle Tp39
- Old Fort Lewis37
- Graham Cr North Canyon Cg35
- Vallecito Village34
- Mountain Spirit Water Company32
- Sailing Hawks Over Animas Mtn31
- 133 Kaycee Lane31
- Esoterra Ciderworks31
- Gravity Labs30
- Lilly Belle MHP30
- Elk Park Center30
- Mesa Mobile Park30
- Middle Mountain Cg28
- River Mist Preschool27
- Well on Wheels Water Hauler25
- Scenic Square Subd25
- Jeter Water System25
La Plata County water systems: frequently asked questions
How many public water systems are in La Plata County, Colorado?
EPA's SDWIS records file 108 active public water systems under La Plata County, Colorado: 54 community systems (50%), 7 non-transient non-community systems (6.5%) and 47 transient non-community systems (44%).
Who supplies drinking water in La Plata County, CO?
The largest community water systems filed under La Plata County are City of Durango (33,787 people served), Animas Wc (3,096 people served) and Town of Bayfield (2,300 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does La Plata County's drinking water come from groundwater or surface water?
Of the 108 active public water systems in La Plata County, 76% draw mainly on groundwater and 24% on surface water, counting purchased supplies. The largest system, City of Durango, uses surface water.
Where can I find a water quality report for La Plata County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 54 community systems are filed under La Plata County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in La Plata County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Colorado water systems
- All Colorado public water systems· 2,207 active
- El Paso County· 135 systems
- Larimer County· 134 systems
- Jefferson County· 112 systems
- Garfield County· 83 systems
- Adams County· 82 systems
- Boulder County· 81 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Public water systems in La Plata County, Colorado”, https://aquacensus.com/water-systems/colorado/la-plata (data as of October 1, 2026).