The Woodlands Mutual Water Company

Mission Statement

WMWC management and staff strive to provide our shareholders with a reliable and safe water supply at a reasonable cost, while providing the highest level of customer service.

The Woodlands Mutual Water Company (WMWC) of San Luis Obispo County is a corporation organized under the laws of California for the purpose of providing water and sewer services to property owners on approximately 957 acres situated on the Nipomo Mesa – commonly known as “The Woodlands”. WMWC was formed for the purpose of serving water to its shareholders at cost. The purpose of a mutual water company is not to make a profit, but to charge such fees and rates for the services it provides as are necessary to acquire water and to build, operate, and maintain a water and sewer system in the community.

WATER COMPANY GENERAL QUESTIONS 8:00am-4:30pm M-F: (805) 540-5208

EMERGENCY 24 HOUR LINE: (805) 546-3618

News and Information

Woodlands Mutual Water Company

Woodlands Mutual Water Company most recent Board of Directors Meeting was held on Wednesday, September 6, 2023 at 2:00pm.


The Woodlands Mutual Water Company Board of Directors met on 5/30/23 to review budgets and the financial forecast.

The Board voted unanimously to increase the supplemental water rates by 4% to match the increase imposed on WMWC by NCSD, to b Bi-Monthly Contribution of $93.62, effective 11/1/2023.


Woodlands Mutual Water Company Water is SAFE and drinkable.

Recently the SLO Tribune published an article concerning the Woodland Park Mutual Water Company in Nipomo. The article indicates that the system contains nitrate above the drinking water level and is therefore unsafe to drink. Please note that this system is unrelated to Monarch Dunes. Monarch Dunes is served by the Woodlands Mutual Water Company, which is a totally different entity with no connections or relationship to the Woodland park Mutual Water Company. Please let us know if you have any questions.


Important Information regarding COVID-19 – Please read.

Our drinking water supplies remain safe during the coronavirus (COVID-19) outbreak. WMWCo customers can, and should continue to use and drink water from their tap as always.


Federal and State regulated disinfection processes adhered to by our operations team effectively inactivates all disease agents. Water system operators are designated as first responders in the Homeland Security Act of 2002, and are exempt from government mandates to remain at home.


Our operations team, Fluid Resource Management and our Management/Administration team remain available to assist with any concerns you might have. Please call our offices at (805) 540-5208 with any questions Monday -Friday, 8am to 5pm, and the after-hour emergency line for urgent items outside of those hours at (805) 546-3618.

Our operations staff FRM has issued the following message.

COVID – 19 Sampling at Woodlands                                                                   

The Woodlands Mutual Water Company (WMWC) has been testing our community’s sewage for evidence of COVID-19 RNA gene fragments in the wastewater flow. The table below summarizes the most resent sample results and will be updated as new data is collected. Please contact us with any questions you may have regarding the data.

COVID 19 Wastewater Detection Level (RNA copies/ml)
Sample Date 19-nCOV_N1/N2 Genes RNA Est’d Community Infections
3/8/23 ND 0
3/22/23 ND 0
4/5/23 ND 0
4/18/23 14.3 4
5/2/23 4.39 1
5/16/23 44.6 13
5/30/23 6.37 2
6/16/23 5.96 2
7/12/23 ND 0
7/26/23 ND 0
8/10/23 ND 0
8/23/23 88.95 26


NEW: Nipomo Mesa Management Area (NMMA) Technical Group – 2023 Key Well Index Public Statement RELEASED

Supplemental Water Prepayment Option – DTA Additional Information


     FY 2023-24 and FY 2024-25 Adopted Budget

2022 Consumer Confidence Report