diff --git a/routes/adjustmentMethods/AdjustmentMethod.ts b/routes/adjustmentMethods/AdjustmentMethod.ts
index 514dabe..9b37574 100644
--- a/routes/adjustmentMethods/AdjustmentMethod.ts
+++ b/routes/adjustmentMethods/AdjustmentMethod.ts
@@ -57,7 +57,7 @@ export interface AdjustmentMethodResponse {
 }
 
 export interface AdjustmentOptions {
-	/** The ID of the PWS to use, prefixed with "pws:". */
+	/** The ID of the PWS to use. */
 	pws?: string;
 	/** The API key to use to access PWS data. */
 	key?: string;
diff --git a/routes/weather.ts b/routes/weather.ts
index 694438c..3456cb0 100644
--- a/routes/weather.ts
+++ b/routes/weather.ts
@@ -221,8 +221,8 @@ export const getWateringData = async function( req: express.Request, res: expres
 	let pws: PWS | undefined = undefined;
 	if ( adjustmentOptions.pws && adjustmentOptions.key ) {
 
-		const idMatch = adjustmentOptions.pws.match( /^pws:([a-zA-Z\d]+)$/ );
-		const pwsId = idMatch ? idMatch[ 1 ] : undefined;
+		const idMatch = adjustmentOptions.pws.match( /^[a-zA-Z\d]+$/ );
+		const pwsId = idMatch ? idMatch[ 0 ] : undefined;
 		const keyMatch = adjustmentOptions.key.match( /^[a-f\d]{32}$/ );
 		const apiKey = keyMatch ? keyMatch[ 0 ] : undefined;