Chino Valley, Yavapai County, Arizona
Plumber Chino Valley AZ: The Town Publishes Which Lots Are on Septic, By Lot Number
Most towns will tell you, in general terms, that some outlying properties are on septic and the rest are on the sewer. The Town of Chino Valley does something almost nobody does. It publishes a table of its developments, names the water provider and the sewer arrangement for each one, and where a single subdivision is split it prints the individual lot numbers.
That table is the most useful plumbing document this town produces, and it is filed under a utility billing FAQ where almost no household will ever find it. So here is what it says.
Read that from the top and two things jump out. The first is that the sewer column is not a formality. Seven of the developments on the readable part of the list are on septic, and they are not remote ranch parcels. They include a business park with a supermarket-anchored retail strip on it, an apartment complex on the state highway, and a shopping plaza. Septic here is not a rural exception, it is a commercial reality on the main road through town.
The second thing is the water column, and it is stranger still. On the readable rows, the most common water provider in the Town of Chino Valley is not the Town of Chino Valley. It is the City of Prescott, a separate municipality about fifteen miles away, which appears on eleven of the rows against five for the Town itself.
Everything below was read from Town of Chino Valley and Yavapai County published pages and documents during this build. We hold no office, crew or address in Chino Valley and claim none.
Who Sells the Water
A Town Where Twelve Different Organisations Sell Drinking Water
The same utility FAQ carries a second list, headed simply with the word providers. It runs to twelve organisations, each with an address, a status and a phone number. Two are marked as municipal water companies. The other ten are marked as private water companies.
That is not unusual in rural Arizona on its own. What is unusual is the composition. Four of the ten private companies are mobile home parks and trailer parks, listed under their own park names with the park address as the utility address. If you rent a space in one of them, the organisation that owns your water main is the organisation that owns the ground under your home.
A fifth is registered to a post office box in Clarkdale, roughly thirty miles away over the Mingus Mountain road, and a sixth trades under an LLC name while serving three separately named communities. One entry is annotated with an after-hours emergency contact and a request that the number not be released, which tells you how small some of these operations are.
None of that is a criticism of any of them. It is a practical warning. The question “is this leak mine or theirs” has twelve possible answering bodies in this town, and the answer changes the moment you cross a subdivision boundary.
The Second Government
Your Building Permit Is a Town Matter. Your Septic System Is Not.
If seven developments on the Town list are on septic, then a large number of Chino Valley households have a wastewater system that the Town of Chino Valley does not permit, does not inspect and does not maintain. That work belongs to the Environmental Services Unit of Yavapai County Development Services, and the County is explicit about where its authority comes from.
The County states that the Unit performs a variety of functions delegated by the Arizona Department of Environmental Quality, and it lists them: permitting and inspection of conventional and alternative onsite wastewater disposal systems up to twenty four thousand gallons per day, permitting of water and sewer line extensions, and approving the sanitary facilities for subdivisions. That is a chain of authority three organisations long before anybody digs anything.
Three of the County functions have consequences a household will actually meet, and they are worth knowing before rather than after.
- Selling the house is an inspection event. The County runs an inspection for transfer of ownership and takes wastewater system ownership changes through its online permit portal. A septic system that has never been looked at is a septic system that gets looked at when you list the property, not when you feel ready.
- A floor plan is required for every submittal. The County states that all rooms and areas must be labelled, including doorway and window locations. That is a level of detail people associate with a building permit rather than a septic permit, and supplying it late is the commonest way to lose a fortnight.
- You need either a permit or the proof you do not. The County asks for an issued onsite wastewater system permit, or a completed application with site investigation results, or proof of sewer system connection. On the Mollie Rae lots discussed above, which of those three you need is decided by your lot number.
There is also a programme here that we have not seen anywhere else on this site, and it is worth naming plainly because the people it is for are the least likely to hear about it. The County states it has been awarded grant money to help property owners in financial hardship abandon a cesspool and get a functioning septic system.
The published qualifications are residency in the county and lawful residence in the United States, twelve months of full time occupation, an intention to keep it as a primary residence for the next five years, property taxes up to date, insurance on the home, and ownership with the applicant on the title. The County notes there is some help available with the insurance condition.
The existence of that grant tells you something the rest of the paperwork does not. There are still cesspools in service in this county, and the County would rather pay to remove them than wait for them to fail. A cesspool is not a septic tank. It has no treatment stage and no disposal field, and when it fails it fails into the ground it sits in.
The Town Side
The Codes in Force, and Three Ways to Book an Inspection
For the work the Town does permit, the Building Division publishes its adopted codes as a plain list rather than burying them in an ordinance. It names the 2024 International Building Code, the 2024 International Residential Code, the 2024 International Existing Building Code, the 2024 International Fuel Gas Code, the 2024 International Plumbing Code and the 2024 International Mechanical Code, alongside the 2023 National Electrical Code.
One entry on that list is out of step with the others and it is worth noticing rather than glossing over. The energy code is the 2012 International Energy Conservation Code. Every other model code on the list is from 2024 or 2023. The energy code is twelve years older than the plumbing code sitting beside it, which matters for insulation on hot water distribution and for what a water heater replacement is expected to demonstrate.
The Town has moved permitting online through a portal, and it publishes three separate ways to schedule an inspection. You can add the inspection to the permit inside the portal. You can telephone an automated line, choosing whether you are scheduling or cancelling and whether the permit is residential or commercial, then entering the permit number, a three digit inspection code and the date. Or you can do the same thing by text message to the same number, sending the permit number, the inspection code and the date in one message.
The text message route is genuinely unusual and it is the one worth knowing about, because it works from a job site with one bar of signal and it leaves you a written record of what you asked for and when. The three digit inspection code is the piece people do not have to hand, so get it off the permit before you need it.
One more scheduling note, published by the Town and easy to miss. Building inspectors are available in the office from seven to eight in the morning and from four to five in the afternoon, Monday and Thursday, and the Town suggests calling in that morning window if you want to know roughly when your inspection will happen or to request a morning or afternoon slot.
The Ground and the Cold
An Arizona Town With a Snow Load and an Eighteen Inch Frost Line
The Building Division publishes a climatic and geographical design criteria block, the way a northern jurisdiction would. People who have only ever thought about Arizona as the low desert are usually surprised by it, and it changes real plumbing decisions.
Two numbers do the work. A frost line depth of eighteen inches is the depth cold is expected to reach, and buried water service is designed against it. And a ground snow load of forty three pounds is not a number any part of the Phoenix valley would recognise. Chino Valley sits at altitude on the Colorado Plateau side of the state, and it gets a genuine winter.
What that means in practice is that the freeze precautions people associate with colder states apply here and are frequently skipped. Hose bibs on the north wall, exposed runs through an unheated garage or an unconditioned utility room, irrigation backflow assemblies left charged, and shallow reworked service lines put in by somebody who assumed Arizona meant no freeze, are all live risks on the coldest nights of the year.
Where the Water Comes From
A Town That Bought Its Water Supply by Paying for Farmland to Stop Pumping
Chino Valley sits inside the Prescott Active Management Area, one of the groundwater management regions created under Arizona law, and the Town states that studies completed in 1999 declared that area officially out of safe yield. We are not going to build another explainer of that regime here, because it is covered properly elsewhere on this site and repeating it would make this page longer without making it more useful. Our Queen Creek and Kingman pages carry the assured water supply rules in depth, and Prescott, fifteen miles south and in the same management area, sets out the local documents.
What belongs to Chino Valley specifically is what the Town did about it, and it is unlike anything else we have recorded. In May 2007 the Town entered a public private partnership with a limited liability company, and the thing it bought was not water and not a plant. It was the permanent removal of farmland from production.
The Town states that the arrangement will permanently preclude groundwater pumping on up to 1,216 acres of historically irrigated land in the Big Chino sub-basin, with several thousand further acres placed into permanent conservation easement, and that a reduced quantity of water will instead be withdrawn from a municipal well field. In October 2007 the state water regulator granted the Town the right to transport an annual total of 2,893.2 acre feet from that sub-basin into the management area.
The other half of the arrangement runs through the wastewater plant, and it is the reason a household drain here is connected to a regional argument. The Town describes a treatment process using a series of advanced membrane filters plus ultraviolet disinfection, producing what it calls Class A plus effluent which it says is not potable but carries nitrogen levels below the drinking water standard. That effluent goes to infiltration basins at Old Home Manor, which the Town states are currently capable of recharging up to one million gallons per day and are expandable to an annual capacity of five million gallons per day.
The Town also states that it has partnered with the state water regulator on a leak detection programme, training Town staff to use regulator-owned equipment to find losses in the distribution system. That is worth knowing if you have ever wondered why a utility would care about a leak it is not billing anybody for.
Practical Routing
The Four Day Week, and Why It Changes When You Should Call
The four day week is the single most practical thing on this page and it is nowhere near the most interesting. The Town publishes its hours for both the utility office and the Building Division as Monday to Thursday, closed Friday, holidays excepted. The utility office works eight to five and the Building Division works seven to five.
The Town handles this properly. It publishes one number for system emergencies during normal business hours and a separate toll free number for system emergencies after hours and at weekends. But a household that has only ever noted the daytime number will find, at eleven o’clock on a Friday morning, that the daytime number is not the one to use. That is not a criticism of the arrangement. It is an argument for writing both numbers on the inside of a cupboard door now.
The same logic runs through the rest of it. A drain that is backing up needs a different first call depending on whether the Town collects your sewage or a septic tank in your garden does. Our drain cleaning and sewer line repair pages cover the work itself, and our leak detection and emergency plumbing pages cover the two situations where the ownership question gets asked in a hurry. If the problem is a failing heater rather than a drain, see water heater repair. For heavier blockages there is hydro jetting.
One closing note about the town itself, because it explains a lot of the above. Chino Valley grew outward as a collection of separately developed subdivisions, parks and ranch parcels rather than as a single platted grid, and each of those arrived with whatever water and wastewater arrangement was available at the time. The Town did not create this patchwork. It inherited it, and to its considerable credit it has written the patchwork down.
Chino Valley Plumbing Questions, Answered From Published Sources
Answers taken from Town of Chino Valley and Yavapai County published pages and documents. Where we could not read a source, we say so rather than guessing.
The Town publishes a water and sewer locations list showing the answer for each named development, and in the Mollie Rae subdivision it goes further and names the twenty individual lots that are on septic while the rest of the subdivision is on the Town sewer. Seven of the readable rows on that list are marked septic outright, including a business park, a shopping plaza and an apartment complex. If your development is not on the list, or you are not certain which row you are, the Town utility office is the body to ask.
There are twelve providers on the Town’s own list. Two are municipal, the City of Prescott and the Town of Chino Valley, and on the readable location rows the City of Prescott appears more often than the Town does. The other ten are private water companies, and four of those are mobile home parks and trailer parks serving their own residents. Whichever one bills you is the one that owns the main and the meter, and therefore the one responsible for a leak on the utility side.
Yavapai County. The Environmental Services Unit of County Development Services permits and inspects conventional and alternative onsite wastewater systems up to twenty four thousand gallons per day, and the County states that these functions are delegated to it by the Arizona Department of Environmental Quality. The Town of Chino Valley issues the building permit. They are two different governments with two different offices, and a job can easily need both.
The County lists inspection for transfer of ownership among its septic functions and takes wastewater system ownership changes through its online permit portal. That means the condition of a system that has never been examined tends to surface at the point of sale. Getting ahead of it is generally cheaper than discovering it in escrow.
The County states that it has been awarded grant money for a cesspool abatement programme to help property owners in financial hardship abandon a cesspool and install a functioning septic system. The published qualifications include county residency and lawful United States residence, twelve months of full time occupation, keeping it as a primary residence for five years, property taxes up to date, home insurance, and ownership with the applicant on the title. Applications go to the County’s environmental services email address.
The Town’s own published design criteria assume so. It states a frost line depth of eighteen inches, a ground snow load of forty three pounds and an air freezing index of 124. This is not the low desert. Exposed hose bibs, unheated garage runs, uninsulated crawl space piping and irrigation assemblies left charged over winter are all genuine risks here, and they catch out people who moved from a warmer part of the state.
The Building Division lists the 2024 International Plumbing Code alongside the 2024 building, residential, existing building, fuel gas and mechanical codes, and the 2023 National Electrical Code. The energy code on the same list is the 2012 edition, which is markedly older than the rest. Adoption dates change, so confirm with the Building Division which edition applies to your submittal date.
The Town publishes three routes: through the online permit portal, by telephoning an automated line, or by text message to the same number. The telephone and text routes both want the permit number without dashes, a three digit inspection code and the date. Have the inspection code to hand before you start, because it is the piece nobody remembers. Inspectors are available in the office from seven to eight in the morning and four to five in the afternoon on Mondays and Thursdays.
Because the Town is closed on Fridays. Both the utility office and the Building Division publish hours of Monday to Thursday, with Friday closed. The Town publishes a separate toll free number for water and sewer system emergencies outside business hours and at weekends, and Friday counts as outside business hours all day.
No, and they are not even in the same state. Chino Valley is a town in Yavapai County, Arizona, north of Prescott. Chino and Chino Hills are separate cities in San Bernardino County, California, and the basin they sit in is also sometimes called the Chino Valley, which is where the confusion comes from. We checked how people actually search before writing this page: every California query in our data names Chino or Chino Hills and not one of them uses the word valley, so this page is about the Arizona town and only the Arizona town.
How This Page Was Built
Every authority, code, criterion and programme above was read from Town of Chino Valley and Yavapai County published pages and documents during this build. Nothing here is inferred from how other Arizona towns work.
Where our two sources disagree, and they do
The Town publishes two documents on the same utility page. One lists providers and the subdivisions each one serves. The other lists developments with a water column and a sewer column. They do not fully agree, and we would rather print that than smooth it over.
The provider list puts Chino Meadows I under the City of Prescott without qualification. The locations list splits the same subdivision, showing the City of Prescott on one named street and the Town of Chino Valley elsewhere in it. Separately, the provider list names two subdivisions, Wagon Wheel Ranch and Parkside Village, as being served by the City of Prescott, and neither of them appears anywhere on the locations list at all. If you live in any of those three, treat both documents as a starting point and confirm with the utility office.
What we refused to state, and why
We refused every rate, fee and charge. The Town publishes a utility rate schedule as a document that downloads perfectly and yields no readable text whatsoever, so we have no figures and will not estimate any.
Two rows of the water and sewer locations table dropped into unreadable characters in the same way. We have deliberately not guessed at which developments they are, because a septic answer is exactly the kind of thing that must not be guessed at. If your development is not named above, that may be why.
We refused a hardness figure, all system capacity and production figures beyond the two the Town itself publishes for the recharge basins, and every laboratory result. The Town publishes a page of results for a family of chemicals it tests for in its production wells; we did not open the results letter, so we state no level of anything.
We refused several subjects that are closed on this site and covered properly elsewhere. The Town runs a named cross connection and backflow prevention programme and publishes a recommended tester list, and the County publishes a graywater notice. Neither subject was opened here. The Town also has a lead and copper page, which we have left alone for the same reason.
The largest refusal is one the reader deserves to know about, because it is the most interesting thing on the Town’s water pages. The Town has committed to using imported groundwater in a particular way, for reasons connected to a river downstream, and the logic of that commitment is the same logic our Arizona overview and our Nevada material already work through at length in a place where it is the defining local fact. Building it a third time here would have been repetition dressed as research, so we left it, and we would rather say so than quietly reuse it.
A note for anyone retracing our steps
The Town website answers ordinary automated requests normally. The County website does not; it refuses them on every path, and had to be read through a browser instead. One thing worth passing on is a mistake avoided rather than made. Rather than guessing at County page addresses, we read the link list off the County homepage and took the real paths from it, which found the right pages in a single attempt after a guessed address had already returned nothing.
Start with the Town’s water and sewer frequently asked questions page, which is where both lists discussed above are filed, and its Building Division page for the code list, the design criteria and the three inspection routes. The Chino Grande Agreement page carries the farmland and acre feet figures. For the septic side, see Yavapai County’s Environmental Services Unit page.
Elsewhere on this site, our Arizona overview covers statewide licensing and routing, Prescott is the neighbouring city in the same management area and the same county, Flagstaff is the other high country Arizona city we cover, and Queen Creek and Kingman carry the groundwater regime in depth. For the work itself, see drain cleaning, sewer line repair, leak detection, hydro jetting, water heater repair and emergency plumbing, or get in touch.
No office, address, crew or response time of ours is stated for Chino Valley, and we are not claiming to be based in this town. Everything above was read from Town of Chino Valley and Yavapai County published pages at the time of writing. Code adoptions change, utility service areas are amended by annexation and extension, grant programmes open and close, and telephone numbers and office hours are revised. Nothing on this page is a quotation of record, a legal opinion, or a substitute for asking the body that holds the pen.