Richmond's James River water is moderately hard at 81 mg/L, and the western district canopy drops heavy sap and leaf cast on upper sash every year.
Richmond's James River water is moderately hard, which for glass is close to a non-event. The western districts' canopy drops heavy sap and leaves on upper sash every year, and April, June and August to October are the best months to wash. Rowhouse party walls remove the side approach most quotes assume, so access should be priced openly; a single-story exterior runs $300 to $510.
Richmond's own report puts the James River supply at 81 mg/L, which is moderately hard and, for glass, close to a non-event. The number worth pairing it with is the alkalinity, published at 51.9: that is low buffering, so the water does not hold its pH against whatever is mixed into it. The practical consequence is that a cleaner behaves more predictably here than in the alkaline systems further north, and the things that actually fail a Richmond job are sap in the western canopy and river damp sitting in the low ground well past sunrise.
| Hardness | 81 mg/L as CaCO₃ No band label published; 81 mg/L is moderately hard on the USGS ladder. |
|---|---|
| pH | 7.79 |
| Alkalinity | 51.9 mg/L as CaCO₃ |
| Manganese | < 0.01 mg/L |
| Sodium | 14.3 mg/L |
| Chloride | 15.2 mg/L |
| Total dissolved solids | 149 mg/L |
| Disinfectant | chloramine |
| Source and treatment | Surface water, per the EPA SDWIS federal record; Richmond is also a wholesale supplier · Powdered activated carbon, coagulation, flocculation, sedimentation and rapid sand filtration, pre-chlorination with chloramines as the residual, fluoridation, with a bimetallic phosphate inhibitor and post pH adjustment · No softening step. |
Not in the report: corrosion index and iron.
SOURCE · City of Richmond Department of Public Utilities 2025 Consumer Confidence Report (regulated, unregulated and Other Information tables), with the EPA SDWIS federal treatment record, PWS VA4760100 · How we source these numbers
Canopy and topography rather than minerals. Pollen through spring, sap through the growing season in the western districts, damp holding on the Shockoe low ground each morning, and a short mild salt season. Rowhouse street frontage picks up pedestrian and traffic soiling continuously and reloads faster than the rear elevations of the same building.
VIRGINIA SEASON BY SEASON →Richmond is rowhouse country and that single fact reorganises the job. The Fan is one of the largest intact Victorian streetcar-era districts in the country — tall narrow sash, several full storeys on a narrow frontage, party walls on both sides — so the glazing count per address runs high while the street frontage looks modest, and there is no side access at all. Rear elevations come through the house or a shared alley, which shapes scheduling and pricing more than weather or water ever does. The supply is the James, treated locally and seasonally variable, and the city's published 81 mg/L makes it moderately hard, low for the region. Topography matters too: the city climbs steeply from the river, Church Hill combines period glazing with approaches that are neither level nor generous, and Shockoe's low ground holds damp into the morning — so the route runs high to low, not the reverse.
Richmond's housing stock is dominated by one building type to an unusual degree, and it changes the arithmetic of a quote. The Fan and the surrounding districts are rowhouse country — tall narrow sash, multiple full storeys on a narrow frontage, party walls on both sides — which means the glazing count per address runs high while the street frontage looks modest.
Party walls also remove the side access this trade normally relies on. With no gap between buildings, rear elevations are reached through the house or through a shared alley, and that single constraint does more to shape scheduling and pricing here than any weather or water consideration.
The supply is the James River, treated at the city's own plant, which puts Richmond in the river-city category along with its seasonal variability. Flow, rainfall and runoff move the raw chemistry through the year, so the water entering treatment in March is not the water entering in September.
The city's 2025 report settles it at 81 ppm, with alkalinity 51.9, chloride 15.2, total dissolved solids 149 and pH 7.79 — a near-neutral, lightly mineralised river supply. That is moderately hard, low enough that tap water is not what decides the outcome of a clean here, and the low alkalinity means the pH shifts easily rather than holding against a cleaner.
Topography does real work here. The city climbs steeply from the river to the bluff neighbourhoods, and Church Hill in particular combines period glazing with approaches that are neither level nor generous — ladder placement is a judgement rather than a routine on those streets.
The low ground in Shockoe holds river damp well into the morning, which inverts the sensible order of a day's route. Work the high western neighbourhoods first while the bottom is still clearing, rather than starting downtown as a crew would in a flat city.
Richmond's canopy is heavy in the western districts and the sap load that produces is the residue most residential clients actually complain about. It responds to frequency and detergent rather than to anything done about the water, and a quote that prices those streets like open suburban stock will under-serve them.
Access dominates and it should be quoted explicitly, because party-wall construction removes the side approach every suburban quote assumes. Storey count follows, since rowhouses stack their glazing vertically. Canopy sets frequency in the western neighbourhoods, and pricing those streets on suburban intervals leaves the client dissatisfied and the crew underpaid.
The western detached stock is reasonable homeowner work. Rowhouse districts are not, and the reason is access rather than glass — no side gap, shared alleys, and multiple storeys mean the rear elevations are a genuine rigging problem. Church Hill adds period glazing and a gradient to the same difficulty.
OPEN COST ESTIMATOR →2025 annual mean at the Vdot Chesterfield Residency Shop monitor, Beach,Intersection of CO.ROADS 655 & 654, 21.9 km south-west of the city (EPA site 51-041-0004).
2025 annual mean at the Bryan Park monitor, Bryan Park, 4308 Hermitage Road, Richmond, VA, 6.6 km north of the city (EPA site 51-760-0025).
Largest air release: Mylar Specialty Films Spruance, 5401A Route 1 (chemicals), 0.8 km outside the city limits, 115,260 lb in 2024.
Among other triggers, when the James River runs low enough to limit the withdrawals allowed under Richmond's state permit, the Chief Administrative Officer declares voluntary or mandatory water conservation measures. Under mandatory measures, washing paved areas is banned except for immediate health and safety needs, and fountains must be shut off.
Richmond City Code §28-883: declaration of conservation measures · Richmond City Code §28-885: mandatory conservation measures · checked September 2026
Richmond makes it unlawful to discharge non-stormwater to the city's municipal separate storm sewer, apart from the exempt flows its code lists, or to connect any line carrying other liquids to that system without a state stormwater or discharge permit.
Richmond City Code §28-1365: discharge of non-stormwater to the City's municipal separate storm sewer · checked September 2026
In any of Richmond's old and historic districts, no building or exterior part of one, sign or paving may be built, altered, repaired, restored or demolished until the Commission of Architectural Review, or City Council on appeal, approves it as architecturally compatible.
Richmond Zoning Ordinance §30-930.6: certificate of appropriateness · checked September 2026
Pine, oak, and grass pollen wave through the metro and the Piedmont. Standard wet-only handling.
Richmond's own report puts the James River supply at 81 mg/L, which is moderately hard and, for glass, close to a non-event. The number worth pairing it with is the alkalinity, published at 51.9: that is low buffering, so the water does not hold its pH against whatever is mixed into it.
Residential window cleaning in Richmond typically runs $10–15 per pane or $300–510 for a standard single-story exterior. Access dominates and it should be quoted explicitly, because party-wall construction removes the side approach every suburban quote assumes.
Richmond's drier, frost-free months are April, June and August to October, by NOAA's 1991–2020 normals for the Richmond International Airport station, where July brings the most rain. The calendar on this page marks June (after the April 6 bloom), September (after smoke season) and October (before frost). Frost nights usually run from November 4 to April 3.
Yes, if the rinse is squeegeed off before it dries: Richmond Department of Public Utilities publishes dissolved solids of 149 mg/L, between this site's two dissolved-solids flags. Iron, manganese, sodium and chloride all sit under this site's flags (highest: sodium up to 14.3 mg/L). Treatment starts with powdered activated carbon, coagulation, flocculation and sedimentation.
In Richmond the dominant residue patterns include james river supply with seasonal variability — 81 mg/l, moderately hard and heavy sap and leaf cast on upper sash under the western district canopy. Canopy and topography rather than minerals.
The western detached stock is reasonable homeowner work. Rowhouse districts are not, and the reason is access rather than glass — no side gap, shared alleys, and multiple storeys mean the rear elevations are a genuine rigging problem. Church Hill adds period glazing and a gradient to the same difficulty.
One of the largest intact Victorian streetcar-era districts in the country, block after block of rowhouses with tall narrow sash and decorative glass in entry positions. The defining residential glazing challenge of the city. Church Hill and Jackson Ward have their own housing stock and glazing as well.
Just over the Virginia line