Off-grid site report
Black Hawk County, IA
42.4612, -92.3323 · 886 ft elevationRead this before you act on anything below. This is my researched starting point for Black Hawk County, IA, not legal advice and not a guarantee. Rules change, and the deciding facts on any specific parcel (setbacks, perc results, overlay districts, deed restrictions, road frontage) live at the county or town office, not in any database. Before you buy land or build, confirm the current rules directly with the local zoning and health offices - the sources on this page tell you exactly who to call.
The local rulesBlack Hawk County, IA
Zoning & raw-land occupancy
Varies locallyBlack Hawk County has its own Agricultural Land Preservation Zoning Ordinance under Iowa Code Chapter 352; land near a city may also be subject to that city's review. Confirm parcel zoning with the county Zoning Administrator. source
Dwellings, tiny homes & RVs
Unclear - verifyNo county-specific rule on tiny homes or RV occupancy was found; manufactured/modular homes fall under the state Factory Built Structures program via Iowa DIAL. Ask the county Zoning Administrator directly. source
Building permits & codes
RestrictedBuilding permits for unincorporated county land are issued through a contract with City of Waterloo Building Inspections, but require prior review/approval from county Planning & Zoning, including a site plan. source
Septic & composting toilets
Generally allowedSeptic systems, including composting and holding-tank options, are regulated by Black Hawk County Public Health/Environmental Health under Iowa DNR standards (IAC 567 Ch. 69); alternative systems may require a maintenance contract. Fees seen online for nearby counties are not confirmed to apply here. source
Greywater reuse
Unclear - verifyNo county-specific greywater ordinance was found; it may fall under general private sewage disposal rules if discharged, but this isn't confirmed. Ask Black Hawk County Public Health.
Rainwater harvesting
Unclear - verifyNo official county or state DNR rule explicitly addressing residential rainwater catchment was found. Check directly with county Planning & Zoning.
Private wells & water rights
Generally allowedBlack Hawk County Public Health directly regulates private (non-public) wells under an updated local regulation and offers free well water testing and access to the state's Private Well Grants program. source
Living disconnected from utilities
Varies locallyNo county rule bans off-grid or utility-disconnected living outright, but building permit, septic, and well obligations still apply regardless of grid connection status.
Sun30-year normals
- Peak-sun hours, annual average
- 4.6 hrs/day
- Worst month (sizes an off-grid array)
- 2.9 hrs/day
- Yearly output per 1 kW of panels
- 1,335 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 35 in/yr
- Snowfall
- 35 in/yr
- Heating degree days
- 7,028 (cold)
- Frost-free season
- Apr 28 to Oct 3
How far help isstraight-line
- Hospital
MercyOne Waterloo Medical Center - 0.7 mi
- Fire station
Waterloo Fire and Rescue Station 8 - 0.7 mi
- Hardware store
Menards - 0.2 mi
- Grocery
ALDI - 0.1 mi
From OpenStreetMap. Road miles will be longer, often much longer in hill country.
Plan this spot
These open with this location's real numbers already filled in (ZIP 50702).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Black Hawk County, IA?The rules above are the jurisdiction. The land check runs the parcel itself: flood zone, soils and septic suitability, wetlands, slope, access, climate, and these verdicts, from a parcel number or coordinates.
Check a parcel →Share or save this report:New report
Sources: US Census Bureau geocoder; NLR PVWatts v8 (solar); NOAA NCEI 1991-2020 climate normals (nearest station) or Open-Meteo (ZIP-centroid) for weather; Open-Elevation; OpenStreetMap contributors. Public data retrieved Aug 22, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.
New here, or not sure where this fits? Start here walks through the whole thing in order.